Showing posts with label pathological skepticism. Show all posts
Showing posts with label pathological skepticism. Show all posts

Saturday, August 18, 2007

Irrational beliefs

Religion is a popular target for self-identified "rationalists". This essay by George Mason economist Bryan Caplan attacks religious beliefs as being arrived at through particularly irrational processes. But I think we will find that Caplan's criteria are equally applicable to the non-religious belief of reductionistic materialism and the non-existence of psi phenomena. Let's take a look at the first part of his essay:


To tell people that their non-religious beliefs are just a religion is an insult. Why is it an insult? There isn't any nice way to answer, so I'll be blunt. It is an insult because the way that people form religious beliefs is so intellectually irresponsible that their conclusions are almost guaranteed to be false. People:



· accept their religious beliefs with little or no evidence



· accept religious beliefs that are contrary to the evidence



· accept religious beliefs without studying competing views



· are certain about religious beliefs that are dubious at best, and



· accept their religious beliefs not because they are intellectually compelling, but because they are emotionally comforting.



Forming non-religious beliefs in a religious way is irrational because forming any beliefs in a religious way is irrational.




Now let's examine these criticisms in detail and see if they apply to reductionistic materialism and the denial of psi phenomena:

1) Do most reductionistic materialists "accept their . . . beliefs with little or no evidence" or "accept . . . beliefs that are contrary to the evidence"? I think that is the case. Reductionist materialists who deny psi phenomena are real discard a large body of research pointing towards a non-material aspect of mind and consciousness. They also ignore a vast body of anecdotal evidence to this effect, often extremely well corroborated.

2) Do most reductionistic materialists "accept . . . beliefs without studying competing views"? I think the answer to that could easily be "yes". There are certainly exceptions, like Andrew Endersby, but even the designated skeptics in debates about psi are often poorly read on the research they are attacking. I see no evidence that the run-of-the-mill reductionistic materialist has read books like Entangled Minds, Best Evidence or Irreducible Mind, nor that they have read the studies from researchers like Dean Radin, Rupert Sheldrake, Ian Stevenson and the like.

3) Are reductionistic materialists "certain about . . .beliefs that are dubious at best"? I think so. I've discussed many topics with reductionistic materialists on a number of blogs and fora. These kinds of statements are typical: "ghosts are nonsense", "of course mind is reducible to brain states", "death is the end, extinction, annihilation". Very well documented psi phenomena suggests that at least some doubt is warranted about these positions, but instead many materialists express absolute certitude in their uninformed position.

4) Do reductionistic materialists "accept their . . . beliefs not because they are intellectually compelling, but because they are emotionally comforting"? For this question we have to look beyond the surface of the question. Certainly there are discomforting aspects to materialism, such as the nihilism that many of its adherents seem to feel is the ultimate truth of reality. However, looking through a sociological lens, a straightforward answer appears. Materialism provides the opportunity to distance oneself from the beliefs of the masses of "deluded" people and join the club of the wise, intelligent, culturally powerful and unquestioned leaders of academia. So from that perspective it is clear that materialism is quite a comfortable position indeed. I think B. Alan Wallace stated it quite nicely in his Skeptiko interview:


So this is what bothers me about many of the so-called skeptics. What they're doing is defending the status quo, which doesn't take a whole lot of guts, frankly. The status quo, where so much money, power and status is, of materialism. And so no skepticism is required there at all, and so standing up in front with a whole team of scientists behind one all agreeing on the same metaphysical worldview, and then saying "we're skeptics", they're about as skeptical as Pat Robertson or Billy Graham. . .


In short, I think I have demonstrated that the criticisms that Caplan made against religious beliefs apply quite nicely to the unquestioned metaphysical materialism which holds sway in academia. However denunciations of religion are very popular within that circle, while questioning materialism is practically never done. And that's really too bad. . .

Tuesday, August 7, 2007

Coal-colored glasses?

Watch Michael Prescott go to town on a positional skeptic's review of Blum's seminal Ghost Hunters.

Thursday, July 19, 2007

Someone else discusses the sociology of science

Alternative medical researcher and author Dr. Larry Dossey has written an interesting essay about the sociology of science and why the public's image of science has been deteriorating over the past several decades. Here are a few extracts:


Some observers believe that CSICOP and other debunking organizations are a major cause of the science blues because, in their attempt to save science, they are creating a public backlash. Consider, for example, that more than half of the adult popula­tion in the United States has had psychic experiences and believes in the reality of these phenomena. As Hansen states: "Those who have had [these] experiences but encounter the debunking attitudes of apparent 'scientific authorities' are likely to conclude that science is a dogma and inapplicable to impor­tant aspects of their lives." Parapsychology researcher Jacques Vallee goes further. He suggests that debunkers "are among the primary contributors to the rejection of science by the public.". . .

Over the past 2 decades we've seen many CAM [complementary and alternative medicine] therapies condemned as implausible--acupuncture, exercise, nutritional supplementation, meditation, biofeedback, and others--only to win eventual endorsement and acceptance within conventional medicine. No wonder the public is leery when experts say a par­ticular CAM therapy can't work because it's implausible.

Experts who are hung up on the plausibility of CAM thera­pies ought to get out more. They might actually try biofeedback, acupuncture, or yoga--not because personal experience consti­tutes irrefutable proof, but because personal experience shapes our worldview, our concept of what is possible and plausible.

A ruckus over plausibility took place in England between famous scientists over a century ago. The dispute involved telepathy, clairvoyance, and psychokinesis, which suggest that consciousness can operate remotely. Nobelist Sir William Crookes (1832-1919), the discoverer of thallium, favored the investigation of these phenomena even though they could not be explained. He contrasted his approach with that of fellow physi­cist Michael Faraday (1791-1867), famous for his work in electric­ity and magnetism, who bitterly opposed them. Crookes stated:

Faraday says, "Before we proceed to consider any question involving physical principles, we should set out with clear ideas of the naturally possible and impossible." But this appears like reasoning in a circle: we are to investigate nothing till we know it to be possible, whilst we cannot say what is impossible, outside pure mathematics, till we know everything. In the present case I prefer to enter upon the enquiry with no preconceived notions whatever as to what can or cannot be.

We should be cautious in rejecting events as implausible, because subsequent developments may reveal that our notion of plausibility reflected little more than our own ignorance. For example, when Newton advanced the notion of universal gravity in the 17th century, his colleagues condemned his ideas as implau­sible and a sellout to mysticism. Most scientists today probably believe they would not have been as hidebound as Newton's doubting colleagues, but in 1995 "an editorial in the journal Nature questioned whether Newton would have been able to pub­lish his theory today, given its self-evident preposterousness .... "




hat tip to commentor "anonymous" on Michael Prescott's blog. . .

Debating psi phenomena. . .

For those who doubt that psi phenomena are real:

There are some of you who have read many parapsychology papers, popular books on the subject like Entangled Minds, Best Evidence and the like, and academic tomes such as Irreducible Mind, as well as anti-psi material. To you, I tip my hat. You have exposed yourself to some of the best evidence for psi phenomena and against it, and so your opinion is informed by the relevant facts. You bring value to the discussion.

But for the far larger community of psi deniers who have not read the literature of evidence for psi, and get all your information from the Shermers and Randis of the world, I have a simple message: you are uninformed. You are unaware of the enormous amount of evidence that these phenomena do occur and cannot be explained through "conventional" reductive materialist theories. You are taking an essentially faith-based position regarding the non-existence of psi phenomena. And I will no longer engage in any extended, time-consuming debates with you, until you familiarize yourself with the relevant literature. Because, frankly, your opinion on psi is worth very little, since you are judging it without possession of the relevant facts.

Feel free to convert yourself to the first kind of critic, which only requires some study on your part, although I cannot promise that you won't end up changing your mind. . .

Tuesday, July 17, 2007

Who will watch the watchers?

Michael Prescott is writing a continuing series of blog posts investigating the quality of a CSICOP "debunking" of one particular near-death experience with veridical perception. Here are parts one, two, three, four and five. Here's a small taste of this excellent series to whet your appetite before you go read them on Michael's blog (background: Clark reported the NDE, while Ebbern and Mulligan are the Skeptical Inquirer researchers):


So we have a clear discrepancy between Clark's account of the shoe and that of the two student investigators. It seems to me that there are two ways of resolving this discrepancy:

1. Clark's account is simply wrong, either because of dishonesty or because she has unwittingly embellished the story over the years. Or ...

2. Ebbern and Mulligan did not put the shoe in exactly the same place where Clark says she found it 17 years earlier.

The authors obviously want us to accept the first option and do not even mention the second one. Yet the second possibility cannot be ruled out. If we skip ahead just a bit in the Skeptical Inquirer article, we find the authors observing in a different context, "As far as we were able to ascertain, Clark never photographed the shoe on the ledge." They also take pains to report that "Clark has not produced notes or recordings from her interviews with Maria."

Now, if Clark did not take any photographs of the shoe in situ, nor did she make any contemporaneous notes or records, then how did the students know where to place the shoe? The article tells us that they put it on the ledge "at the place Clark described." The article does not say that Clark accompanied the students and pointed specifically to where the shoe should be placed. It appears that the students were relying on Clark's verbal description alone.

It should be obvious that the visibility of the shoe, either from the ground or from a window, would vary tremendously depending on exactly where and how it was placed. For instance, if it was right up alongside the wall of the building, perhaps it would not be visible from the ground. Or if it was some distance away from the window, perhaps the telltale details would not be seen even when pressing one's face to the glass.

One detail the authors offer inadvertently lends credence to the thesis that they put their shoe in a more visible position than the original. When they returned to the hospital "one week after placing the shoe on the ledge, the shoe had been removed, proving that it was also discernible to someone not specifically looking for it."

No doubt it was. But if the original shoe, back in 1977, was equally visible, then why wasn't it removed from the ledge before Kimberly Clark hunted it down? If people could see the shoe from both outside and inside the hospital, and it was easily retrievable, then what was it still doing there when Maria had her NDE?

The bottom line is that we have no reason to assume that the student researchers put the shoe in exactly the same place where it was found 17 years earlier. Without photographic records or detailed notes, and without Kimberly Clark's direct participation in the recreation, they could rely only on guesswork. And yet on the basis of their guesswork, they were willing to call into question Clark's recollection of the entire event. . .

How could Clark so thoroughly fail to interrogate Maria or to accurately recollect one of the most dramatic events of her life? The authors suggest an answer. "Kimberly Clark is not a trained investigator," they say.

This, of course, raises the question of whether the researchers in this case, Ebbern and Mulligan, were trained investigators at the time when they took their trip to Seattle. Here is what we are told about the pair at the end of the article:

Hayden Ebbern is an undergraduate in the Department of Psychology and Sean Mulligan is a graduate student in the Department of Biological Sciences at Simon Fraser University.

Ebbern was an undergraduate?

Are we supposed to believe that an undergraduate -- a college student who has not even earned his degree -- is a "trained investigator"? Are his powers of observation, analysis, and memory automatically assumed to be better than those of an experienced social worker at a major hospital?

At least Mulligan was a graduate student at the time, but does a grad student in the biology department have the skills necessary to evaluate the testimony of witnesses or determine their allegedly hidden motives? Are biology departments teaching interrogation techniques nowadays?

I would suggest that if a parapsychologist sent two students with comparable qualifications to investigate a controversial case, he would be roundly criticized -- especially if the students began casting aspersions on the honesty, intelligence, training, and motives of the people they were sent to interview. . .


Besides allegedly taking too long to report the case, Clark was found to have a "cavalier attitude." How so?

When Ebbern and Mulligan asked Clark about the current whereabouts of the shoe, Clark replied that she probably had it around somewhere, maybe in her garage, but that it would be too much trouble to look for it. The cavalier attitude toward the most important artifact in the field of near-death studies struck us as odd.


Two responses are possible. First, I'm not aware of any near-death researchers who regard the shoe itself as an especially important "artifact." It is, after all, just a beat-up old shoe. What's important is the story associated with it, not the shoe itself. Second, and more important, there may be another explanation for Kimberly Clark's lack of cooperation with Ebbern and Mulligan. I submit that it is at least possible that Clark, upon meeting the intrepid pair of student investigators, sized them up as militant skeptics, strongly biased against any nonmaterialist interpretation of NDEs, researching a CSICOP hit piece. She may also have noticed that the researchers were contemptuous of her friends in her NDE support group, and were more than willing to cast aspersions on her own memory, intellectual capabilities, honesty, and motives. Under the circumstances, she may not have felt particularly interested in presenting the shoe to Ebbern and Mulligan so they could snicker at it.

The authors finish up by allowing that "perhaps" Clark "now honestly misremembers" the details of the case -- the alternative, of course, being that she dishonestly misremembers or misrepresents the details.

The motivation to defend cherished or self-serving beliefs makes it easy for unintentional embellishments to creep into key accounts as they are retold. In our discussions with her, Clark exhibited obvious emotional commitment to the spiritual interpretation of Maria's story. She has become a minor celebrity because of her involvement with it and is writing yet another, potentially profitable, book on the subject."


Unpacking this passage is almost too easy. I'll leave it to you to count all the ways that the authors cast aspersions on Clark's psychology and motives. Naturally, no skeptic could ever be motivated to "defend cherished or self-serving beliefs," or to have an "emotional commitment" to a point of view, and and no skeptic has ever become "a minor celebrity" or written a "potentially profitable" book. By the way, aren't all books potentially profitable? This is like saying that someone just bought a "potentially salable house." Why would they phrase it like that? What are they trying to imply? Gosh, I wish I knew.

The authors take a moment to disparage Clark's NDE support group, which, they claim, "bills itself as devoted to scientific research into NDEs." If so, it's a pretty unusual support group, but for the sake of argument, let's assume that the group did characterize itself this way. So what, exactly? Even if the members of the group are rank amateurs, they are hardly typical of the leading researchers in the field of near-death studies -- accomplished professionals like Michael Sabom, Melvin Morse, Peter Fenwick, Bruce Greyson, and Pim Van Lommel, who have published their research in peer-reviewed journals. (Skeptical Inquirer, incidentally, is not peer-reviewed.) In any event, Ebbern and Mulligan reportedly

were struck by the revival-meeting atmosphere. The participants exhibited a conspicuous lack of scientific knowledge and low levels of critical thinking skills. They seemed quite unaware of how to mount a proper investigation of such incidents. The appeal throughout was strictly to faith. The few mildly critical questions the visitors raised were decidedly unwelcome.


So a group of people who have experienced NDEs are met by two researchers -- one, a grad student, the other, an undergrad -- who are openly skeptical of the most meaningful, life-changing event of their lives, and the NDErs made the students feel "unwelcome." How welcome do you think Kimberly Clark would feel at a CSICOP meeting?

Perhaps it is cynical of me, but I can't help thinking that Ebbern and Mulligan would regard any gathering of spiritual seekers as having a "revival-meeting atmosphere." (From what I've read of CSICOP events, the description might be better suited for the get-togethers sponsored by that organization.) . . .

The authors conclude their essay in an effusion of self-congratulation:

We have shown several factual discrepancies [have they? or did they put the shoe in the wrong place?] and plausible ways [plausible? really?] that Maria's supposedly unobtainable knowledge could have been obtained by quite ordinary means. In delving into this incident, we were first disappointed [sure they were], then amused, that such a weak case should have achieved the importance it has been accorded....



Now go read the entire series of posts from Michael. They are not to be missed. . .

Sunday, July 15, 2007

Why the public distrusts science. . .

One of the recurrent and very questions that skeptics, rationalists, and materialists ask themselves is why the general public does not share their faith in reductionistic materialism. Invariably the answer is given: we are impartial examiners of the evidence, which all points to the truth of our metaphysical reductionistic materialism, while the general public is deluded by their erroneous natural psychological tendencies, . This article by Paul Bloom is extraordinarily typical of the genre. Here is one particularly egregious outtake:


But evolution is not the only domain in which people reject science: Many believe in the efficacy of unproven medical interventions, the mystical nature of out-of-body experiences, the existence of supernatural entities such as ghosts and fairies, and the legitimacy of astrology, ESP, and divination. . .


In fact it is Paul Bloom who rejects science in this case, not the public. To Bloom, science is equated with the belief system of reductionist materialism. In reality, science is the method of observing reality, creating models to describe reality, and testing the models by experiments and further observations that can either support or weigh against those models. For people like Bloom to dismiss phenomena with massive collaborated observational and / or experimental support like crisis apparitions (ghosts) and telepathy is utterly unscientific, dogmatic, and in reality no different from the methodology of the fundamentalist religionists he decries who reject evidence for common descent and an ancient earth and universe.

The biggest reason that the public distrusts science is that scientists distrust science. They prefer to maintain a belief system in reductionistic materialism instead of admitting any observations which do not fit. For example, Michael Prescott quotes the following accurate observations from Michael Sabom's Recollections of Death during a surgical NDE:


When I left that room [prior to surgery], I was totally unconscious and don't have any awareness whatsoever as I was transported from there down to where they do the operation until all of a sudden the room is lit up, not as bright as I thought it ought to be. . . .I recall consciously... seeing two doctors stitch me up after the operation; Dr. C., I think it was because the hands were so large, injecting a syringe of something into my heart on two occasions, one on one side and another on the other side of the heart; the apparatus that they used to keep the ribs apart to make the aperture; . . . And the fact that my head was covered and the rest of my body was draped with more than one sheet, separate sheets laid in layers. I knew it was my body. I always imagined that the lights would be brighter, but it didn't seem that bright. More like banks of fluorescent lights rather than a big high-powered beam... I was amazed that I had thought there would be blood all over the place, but there really wasn't that much blood. Not what I expected it to be... A lot of it was draped. I couldn't see my head too much but I could see from about my nipples down better.... [Sewing him up] they took some stitches inside me first before they did the outside. And then it was just like they sew you up. The shorter doctor started down here and worked this way. The other doctor could have started in the middle and worked up. They had a lot of trouble right here, but the rest of it was pretty fast... And the heart doesn't look like I thought it did. It's big. And this is after the doctor had taken little pieces of it off. It's not shaped like I thought it would be. My heart was shaped something like the continent of Africa, with it being larger up here and tapered down. Bean-shaped is another way you could describe it. Maybe mine is odd shaped... [The surface was] pinkish and yellow. I thought the yellow part was fat tissue or something. Yucky, kind of. One general area to the right or left was darker than the rest instead of all being the same color... I could draw you a picture of the saw they used and the thing they used to separate the ribs with. It was always there and I can remember the details of that probably better than the other things. It was draped all around, but you could see the metal part of it. I think all they used that for was to keep it constantly open. They had instruments hanging around it that obscured it and they undid the clamps sometimes and stuck in sponges stuck on the clamps and there were hands so I couldn't see it constantly because it was obscured sometimes... It seems Dr. C. did most everything from my left side. He cut pieces of my heart off. He raised it and twisted it this way and that way and took quite a bit of time examining it and looking at different things ... That thing they held my chest open with, that's real good steel with no rust, I mean, no discoloration. Real good, hard, shiny metal... [Stopping his heart] I sensed they did it with the needle when they injected something into my heart. That's scary when you see that thing go right into your heart...



What is the response of the "scientific" priesthood to such events? Typically, they simply ignore all such stories. When they are addressed, stories are invented which fit the assumptions of reductionist materialism, but ignore the details of these cases. Only a very few actually address the details of these cases and attempt to create materialist explanations that actually fit the facts (although fail to escape Ockham's razor in my book. . .)

In pointed contrast, writers like Paul Bloom get a huge amount of attention for simply patting his fellow materialists on the back for their clearheadedness and rationality, and in contrast denigrating the biases and ignorance of the general public who disagree with Bloom and the NAS.

Is it any surprise that the general public distrusts what scientists say about psi phenomena, life after death, meaning and purpose in cosmic and biological evolution, and the like?

Wednesday, July 11, 2007

Great post. . .

Michael Prescott hits the nail on the head, yet again:


Remember those halcyon days of the O.J. Simpson trial, when instead of worrying about the next terrorist attack, we all crowded around our television sets to hear the latest testimony about the double murder in Brentwood? There was, as innumerable commentators pointed out, a "mountain of evidence" against O.J. Simpson -- yet his legal defense team, styled the "dream team," managed to create at least the illusion of reasonable doubt and obtain an acquittal. How'd they do it?

They did it by taking each piece of evidence individually and casting doubt on it. The doubt in question was often based on nothing but far-fetched speculation, and much of the speculation was contradictory. For instance, bloodstains on Simpson's driveway were said to have been planted by the police, while other blood samples found at the crime scene were said to have been contaminated. In other words, we were asked to believe that in some cases the blood was unquestionably Simpson's but it got there through sleight of hand on the part of some corrupt detective, while in other cases the blood wasn't Simpson's at all but somehow matched his DNA because of an unspecified error in chemical analysis.

As for eyewitness testimony, it was debunked by casting doubt on the competence, credibility, or honesty of every single witness from the hapless Kato Kaelin to the limo driver to the neighbor who found Simpson's vehicle awkwardly slant-parked outside the Rockingham Estate. In order to believe Simpson's innocence, you pretty much had to believe that every other person involved in the case was corrupt or hopelessly prejudiced or impossibly stupid or desperately seeking the media limelight. Police detectives who had handled hundreds of cases without incident were presented as bumbling nincompoops who were simultaneously criminal masterminds bent on framing Simpson for some nefarious reason that was never quite explained. All the evidence was either planted or faked on the one hand, or hopelessly mishandled and misinterpreted on the other. It worked. But you don't have to go back to the 1990s to see this strategy in effect. Because as you might have guessed by now, this is very much the same strategy that is used by many diehard skeptics. . .

Faced with a "mountain of evidence" that is in some respects even more intimidating than the evidence in the Simpson case, the skeptics have chosen the same counterattack. They simply dismiss all of it, claiming that there is no evidence of all, not a single bit, and they back up this sweeping assertion by casting doubt on any and every individual item of evidence. . .

It turns out that just as O.J. Simpson was the only honest man in the courtroom, so the skeptic is the only perceptive person on the face of the earth.

It doesn't much matter if the skeptic can't support most of these speculations, or even if the speculations contradict each other, as they did in the Simpson case. All that matters is that a penumbra of doubt has been cast over the evidence. The testimony has been called into question. The data have been challenged. And most people, lacking the time or the interest or, in some cases, the ability to look into the matter for themselves, will conclude that the doubt is justified. They may not side wholeheartedly with the skeptics in denying all paranormal phenomena, but they will grant that they just don't know and probably nobody knows -- which is really all the skeptics need to accomplish. . .


Now go read the whole post. . .

Friday, June 1, 2007

"Skepticism" and (dis)confirmation bias

One of my favorite studies shows the insidious way that confirmation bias distorts thinking and causes people to slant all facts towards their preferred theory and away from opposing points of view.

This blog post from The Calladus Blog is an example of how "positional" skeptics tend to approach any new information that might challenge their worldview. I found a particularly large number of errors and irrelevancies in this post, and thought it would be useful to analyze them here. So I will be excerpting from the "Nutty Professor" post and providing commentary on what I found problematic at each point.


The Nutty Professor: Dr. Rupert Sheldrake and Telephone Telephony


We are off to an inauspicious start with the namecalling ad-hominem right out the gate. . .


"However, his sample was small on both trials -- just 63 people for the controlled telephone experiment and 50 for the email -- and only four subjects were actually filmed in the phone study and five in the email, prompting some skepticism.

Undeterred, Sheldrake -- who believes in the interconnectedness of all minds within a social grouping -- said that he was extending his experiments to see if the phenomenon also worked for mobile phone text messages."


Notice that Dr. Sheldrake didn't address the problem of a too small sample size for his experiment, and instead immediately widened the experiment to include different tests. This is not a sign of good science!


Woah, there, pardner!

Just because the "yahoo news" article made a claim of "too small sample size" doesn't make it true. This is a fundamental misunderstanding of what Sheldrake was studying. If Sheldrake was seeking to demonstrate that everyone has telephone telepathy, then indeed this sample size is much too small. In addition, Sheldrake did not select a random sample of a population -- he actively sought out individuals who felt that they frequently experienced telephone telepathy. Furthermore, Sheldrake only took the most successful participants from the first phase of the experiments for the more detailed and rigorous videotape trials. He was seeking out a very specific population of people with the best possibility of showing strong effects for telephone telepathy -- the exact opposite of What Mark of the Calladus blog is suggesting by complaining about sample size. Sheldrake's sample size was (deliberately) small, and that is not a problem, as long as his effect size and number of trials is sufficiently large, as they certainly are in Sheldrake' experiment.


This isn't the first time Dr. Sheldrake has been accused of making unwarranted claims based on improper methodology. CSICOP took Dr. Sheldrake to task and debunked his Psychic Staring Effect experiment - where he claimed to show that people could tell, better than random chance, when someone was staring at them.


The link Mark provides offers a normal "explanation" for Dr. Sheldrake's results. However Dr. Sheldrake's rebuttal is also found linked to the "debunking" article:


Colwell et al.'s second experiment was designed to test their pattern-detection hypothesis by using "structureless" random sequences. Sure enough, this time there was no significant overall positive score, although in two of the three sessions there was a highly significant excess of correct guesses in the looking trials.
At first sight, the overall non-significant result seems to confirm their hypothesis. But Marks and Colwell (2000) omitted to mention the crucial fact that in Experiment Two there was a different starer, David Sladen. Can we take it for granted that changing the starer made no difference?

Such experimenter effects are not symmetrical. The detection of Schlitz's stares by the participants under conditions that excluded sensory cues implies the existence of an unexplained sensitivity to stares. By contrast, the failure to detect Wiseman's stares implies only that Wiseman was an ineffective starer. Perhaps his negative expectations consciously or unconsciously influenced the way he looked at the subjects.

In Colwell et al.'s Experiment Two, the starer, Sladen, as one of the proponents of the pattern-detection hypothesis, was presumably expecting a nonsignificant result. His negative expectations could well have influenced the way in which he stared at the participants. It would be interesting to know if Sadi Schršder, the graduate student who acted as starer in Experiment One, was more open to the possibility that people really can detect when they are being stared at.


Other Relevant Experiments

Marks and Colwell claimed that their pattern-detection hypothesis invalidated the positive results of staring experiments carried out by myself and others. If these experiments had involved pseudo-random sequences and feedback, as required by their hypothesis, their criticism might have been relevant. But this is not how the tests were done, as they would have seen for themselves if they had read my published papers on the subject.

First, in more than 5,000 of my own trials, the randomization was indeed "structureless," and was carried out by each starer before each trial by tossing a coin (Sheldrake 1999, Tables 1 and 2). The same was true of more than 3,000 trials in German and American schools (Sheldrake 1998). Thus the highly significant positive results in these experiments cannot be "an artifact of pseudo randomization."

Second, when I developed the counterbalanced sequences that Marks and Colwell describe as pseudo-random, I changed the experimental design so that feedback was no longer given to the subjects. Since the pattern-detection hypothesis depends on feedback, it cannot account for the fact that in more than 10,000 trials without feedback there were still highly significant positive results (Sheldrake 1999, Tables 3 and 4).


Conclusions

In spite of their prior assumption that an ability to detect unseen staring must be illusory, both Baker (2000) and Colwell et al. (2000) in their first experiments obtained unexpected positive results consistent with such an ability. They attempted to dismiss these findings with question-begging arguments. In their second experiments, which gave the non-significant results they expected, an investigator with negative expectations acted as the starer. This arrangement provided favorable conditions for experimenter effects, already known to occur in staring experiments (Wiseman and Schlitz 1997). Both Baker and Marks and Colwell also failed to mention a large body of published data that went against their conclusions. In short, their claims were misleading and ill-informed.


To summarize: Sheldrake takes the SI "debunking" and completely shreds it with a devastating recitation of the facts. The hypothesis outlined in the debunking article is completely at variance with the actual data and experimental findings, which Baker and Colwell would have noted if they had carefully read Sheldrake's research before attacking it. I suppose that is the difference between a "debunking", and a scientific investigation. The latter is an attempt to discover the truth, and the former is simply an attempt to win an argument with no particular regard for reality.

In another paper Sheldrake mentions offering to analyze Marks and Colwell's own data in detail and see if it matches their hypothesis of pseudorandom pattern recognition. Not unexpectedly, Marks and Colwell fail to take him up on that offer.


Dr. Sheldrake also wrote a book called, "Dogs That Know When Their Owners Are Coming Home: And Other Unexplained Powers of Animals" (Amazon link) In this book he attempts to show that dogs can somehow psychically 'tell' when their owners are coming home. The methodology described by Dr. Sheldrake shows that he didn't even attempt to create a 'double blind' experiment, where neither owners, dogs, nor observers knew when the owner was coming home. Instead he allowed the owners of these dogs to record the observations of their pets. He again used a very small sample size.


Again, Mark displays a lack of understanding of this kind of research and the relevant statistics. Small sample size is a canard here. His is also completely wrong about the experimental design, which involved both "observational" and double-blind and randomized components. The researcher who analyzed the videotape data was blind to the experimental conditions, as was everyone in the house (including the dog). Either Mark hasn't read the studies he is criticizing here, a cardinal sin in science, or he read them sloppily and is misinformed.


Instead of publishing to peer-reviewed media, Dr. Sheldrake writes popular books and makes claims and announcements pitched to the media.


Like many other scientists, Dr. Sheldrake does write popular books in addition to his admirable record of peer reviewed publication credits, including multiple articles in Nature, Planta, and the Journal of Consciousness Studies. I'm sure that Mark is not intending to imply that Francis Crick, Stephen Hawking and John Wheeler are bogus scientists, because of their popular science works, or that Nature, Planta and JCS are bogus journals, right?


His results are based on a small sample size, which is at the very limit of detection of effects.


Again, the relevant statistic here is the number of trials, not "sample size". In the videotaped experiments, there were of 271 trials, and were 122 (45%) correct guesses (p = 10-12). This is astronomically far from being "at the very limit of detection of effects"!


He bases some of his conclusions on anecdotal evidence (for example, allowing a dog's owner to record their observations.)


Any scientist uses anecdotal evidence as a starting point for designing experiments. Sheldrake's experiments absolutely do not rely on "allowing a dog's owner to record their observations", but rather use videotapes, evaluated blindly by a third party, to determine the measured data.


He claims that Quantum Theory can explain psychic phenomena, which is a proposed new law of nature since Quantum Theory describes the subatomic, not macroscopic, universe.


Now Mark is confused. The quantum nature of matter is responsible for many of the properties of the macroscopic world, such as the very most basic fact that atoms take up space. You cannot wall off quantum mechanics and say that it is completely irrelevant to macroscopic reality!


He works in some isolation, well outside the mainstream science community.


Sheldrake works with many other researchers, including avowed "skeptics", and has been published in a large variety of journals as I described above.


What I find most interesting about Dr. Sheldrake's supposed skepticism is his refusal to cooperate with noted skeptic James Randi in Randi's Million Dollar Challenge.


Randi is a showman, not a serious researcher. And he has already established a track-record of distortions trending to outright lies with regards to Rupert Sheldrake's research:

The January 2000 issue of Dog World magazine included an article on a possible sixth sense in dogs, which discussed some of my research. In this article Randi was quoted as saying that in relation to canine ESP, "We at the JREF [James Randi Educational Foundation] have tested these claims. They fail." No details were given of these tests.

I emailed James Randi to ask for details of this JREF research. He did not reply. He ignored a second request for information too.

I then asked members of the JREF Scientific Advisory Board to help me find out more about this claim. They did indeed help by advising Randi to reply. In an email sent on Februaury 6, 2000 he told me that the tests he referred to were not done at the JREF, but took place "years ago" and were "informal". They involved two dogs belonging to a friend of his that he observed over a two-week period. All records had been lost. He wrote: "I overstated my case for doubting the reality of dog ESP based on the small amount of data I obtained. It was rash and improper of me to do so."

Randi also claimed to have debunked one of my experiments with the dog Jaytee, a part of which was shown on television. Jaytee went to the window to wait for his owner when she set off to come home, but did not do so before she set off. In Dog World, Randi stated: "Viewing the entire tape, we see that the dog responded to every car that drove by, and to every person who walked by." This is simply not true, and Randi now admits that he has never seen the tape.



And Sheldrake is not the first psi researcher who has uncovered a pattern of untruths from James Randi.

Given Randi's history of distortions and lies, why would any serious psi researcher want to work with him on any experiments?

Wednesday, May 30, 2007

Fashionable stupidity

I shall not commit the fashionable stupidity of regarding everything I cannot explain as a fraud. - Carl Gustav Jung

Thursday, April 26, 2007

Telepathy Debate: Wolpert and Sheldrake



Here are some excerpts of a debate between Lewis Wolpert and Rupert Sheldrake at the London Royal Society for the Arts held in 1994:



Rupert Sheldrake: Thank you. Well, Lewis Wolpert and I agree on one thing, which is that we think the nature of science is based on evidence. He thinks there’s no persuasive evidence for telepathy. Of course, that depends on how easily it is to persuade somebody. There are many creationists who think there’s no persuasive evidence for evolution. If you have a closed mind and if you’re convinced you’re right, then no amount of evidence will make the slightest difference. I think that the question really is, what is the evidence for telepathy and that’s what I’m going to talk about. I, myself, think there’s a lot of persuasive evidence for telepathy, and I think that the experiments that have been done to test it have been far from pathological. . .

Professor Lewis Wolpert: . . .I have in front of me a paper by Richard Wiseman, Matthew Smith, and Julie Milton, actually done with your dog … (sorry, no, Pam Smart as your collaborator), with your dog, Jaytee, which you claimed, knew when (I think it was you) who were coming home, and their analysis of the behaviour of the dog, Jaytee, shows that the dog didn’t have a clue. It would go outside for all sorts of reasons, and, you know, there was somebody passing by, there was a cat in a nearby tree. It didn’t have a clue when you were coming home. So, here is a people, trying to replicate your experiment, and simply falsifying it. . .

Rupert Sheldrake: Well, I noticed that when the parrot film was showing, Lewis wasn’t looking at it! That film was shown on television … and in early stage of our investigations, he did the same then. They asked a sceptic to commentate. Lewis appeared on the screen and he said, “Telepathy is just junk … there is no evidence whatsoever for any personal, animal or thing being telepathic.” The filmmakers were surprised that he hadn’t actually asked to see the evidence before he commented on it, and I think, this is rather like the Cardinal Bellarmine, and people not wanting to look through Galileo’s Telescope. I think we have a level here of just not wanting to know, which is not real science … I’m sorry to have to say it, Lewis.

Let me come to his specific points. He said that in the telephone experiments we didn’t bother to find out the effects of distance. Yes we did. If you read the paper, we deliberately recruited people in England who had relatives living in Australia and New Zealand and South Africa. We tested it at distances right up to the Outer Hebrides, precisely to find out, is it distance-dependant. It’s not … distance had no effect. . .

Now, when we come to the case of the psychic dog, Jaytee, - the dog that belongs to Pam Smart who is here this evening - what we found in our experiments was that the dog - here are some averages from these experiments the dog … these are 10-minute periods after Pam went out … these are the number of seconds at the window, evaluated from the videotape by a third party who knew nothing else about the experiment in an objective measure at the time it went to the window. That is the first 10 minutes of her homeward journey, from at least five miles away. These are medium-length experiments and these are short ones. The dog did sometimes go to the window, when she wasn’t coming home, to bark at passing cats or look at commotions or disturbances outside or people arriving in cars, but it went to the window far more when she was on the way home and it started waiting, in the 10 minutes before she started off home, when she decided to come home or when she got a random signal on a pager to go home. It was highly significant it was at the window most when she was on her way home and it wasn’t just that it waited a certain time and then went there, because in these short experiments, you see it was at the window at long time, whereas at the same time after she went out here, it wasn’t. These results are highly significant, highly repeatable. We’ve done lots of them.

The case of Richard Wiseman and his colleagues is a very interesting one. Wiseman is one of Britain’s leading media sceptics. He is an informed sceptic, in the sense he reads the literature and knows what’s going on and he actually does experiments. However, he is a very committed sceptic who believes these things are basically impossible, and Wiseman went along to do these experiments with Pam Smart. He invented a criterion for the success or failure of the dog, which was, that it should go to the window, for no reason apparent to Wiseman … the first experiment it was 60 seconds. Then he changed the criterion to being two minutes for no apparent reason. If the dog went to the window for no apparent reason when she wasn’t coming home, it failed the test.

He published a paper in the British Journal of Psychology, saying it had failed the test. There’s the paper. He put a Press Release. It was in all the science correspondence that most of our broadsheet newspapers are committed sceptics (most of them). They’re very credulous when it comes to claims of sceptics. The papers were full of it. ‘Psychic dog fails test … Psychic dog fails to give scientists a lead,’ and so on! It was on the radio, it was on the television … the whole phenomenon was totally refuted and everybody bought it (who wants to believe that) and we’ve heard from Lewis, a categorical statement.

However, if you plant Richard Wiseman’s data on a graph, which he didn’t do in his papers, even though I sent him graphs before he submitted it, his data corresponds very precisely with my own!

Wednesday, April 18, 2007

The unskeptical skeptic


Michael Prescott uses his rapier wit to skewer noted professional "skeptic" and former parapsychologist Susan Blackmore.

Friday, April 13, 2007

"Skeptical" or just dogmatic and ignorant?




Below is part of a transcript of an interview with Rupert Sheldrake and "skeptic" Peter Atkins:


The discussion started with the interviewer asking Rupert to describe his work on telephone telepathy, and on his similar test with emails. Rupert described the results. In the videotaped telephone telepathy tests, the average hit rate was 45% compared with 25% expected by chance, with odds against this being a chance coincidence of billions to one. . .

The discussion continued as follows:

Interviewer: However let’s talk to a leading scientist, Professor Peter Atkins, who is a biologist at Lincoln College Oxford. Professor Atkins why is all this a total waste of time in your view?

Atkins: Well, you can’t rely on any of these experiments. And by the way I’m a chemist not a biologist. But there is no serious work done in this field. The samples that people use are very tiny, the effects are statistically insignificant, the controls are not done in a scientific way. On the whole there’s just no point in doing it. There are no serious reasons for believing there should be an effect of telepathy anyway. There is no mechanism within modern science to account for it. There’s nothing that drives people to believe in it except sentiment, emotion, and things like that.

. . .

Interviewer: On the other hand when he produces his evidence, he said 25% was what you would expect, but what he got was 45%, that is remarkable.


Atkins: No, that’s just playing with statistics.


Interviewer: Let’s put that to Rupert. Rupert Sheldrake, he says you’re just playing with statistics. He doesn’t believe a word of it. What do you say to him?


Rupert: Well I’d like to ask him if he’s actually read the evidence? May I ask you Professor Atkins if you’ve actually studied any of this evidence or any other evidence?


Atkins: No, but I would be very suspicious of it.


Rupert: Of course, being suspicious of it in advance of seeing it is normally called prejudice.


Atkins: Yes, there’s always reason to believe in bizarre phenomena by looking into alternative explanations within the scientific milieu. For example people guessing, because of a particular time of day that someone’s going to call.


Rupert: These tests exclude that, you seemed to have missed the point of the experiments. They’re done by random selection. You know, I started from the kinds of objections you’re putting forward, that’s the starting point, then we try to go on and test those in rigorous scientific tests.


Atkins: But they’re not rigorous.


Rupert: How do you know? You don’t know a thing about it, you haven’t looked at the evidence. I think you’re talking from a point of view of prejudice, dogma and frankly lack of information. I would never presume to comment on your experiments in chemistry without reading them.



Notice that Atkins hasn't even read the research he is criticizing. Without reading, he comments that the effects are "statistically insignificant" while in fact the research shows extremely strong statistical significance of billions to one against the chance hypothesis. He also attacks the research for a flaw that is already addressed by the experimental design. Yes, the hubris of the dogmatics of orthodoxy is quite something to behold!

Saturday, April 7, 2007

Are scientists afraid of ghosts? (Repost from AMNAP 1.0)

Pulitzer prize-winning science writer Deborah Blum has written an insightful opinion piece for the LA Times decrying the way modern science has systematically ignored the most interesting and important questions of human nature and the possibility of the survival of consciousness. Here are some excerpts:


A HUNDRED years ago, one of the most ambitious of research projects was launched, a study that linked scholars and mediums on three continents. Its purpose was to discover whether living humans could talk to dead ones.

Newspapers described the work as "remarkable experiments testing the reality of life after death." The scholars involved included William James, the famed American psychologist and philosopher, and Oliver Lodge, the British physicist and radio pioneer. They saw evidence for the supernatural — in this world and perhaps the next. . .

Could any study produce results more provocative, more worth pursuing — more forgotten — a century later? For many, the dismissal of such Victorian research represents a triumph of modern science over superstition. But — and I admit that this is an unusual position for a mainstream science writer — I believe that it may instead represent a missed opportunity, a lost chance to better understand ourselves and our world.

Curiosity about the supernatural has not diminished over the last century. The last few years have, in fact, seen a surge in occult-themed TV, including such popular dramas as "Medium," parodies such as "Psych" and reality-themed shows featuring professional mediums or paranormal investigators. On the radio, "Coast to Coast AM with George Noory" focuses on supernatural issues and boasts 2.5 million listeners. Paranormal organizations, schools for mediums and practicing psychics flourish.

What has diminished is the interest of academic researchers on a par with James and his colleagues — and, correspondingly, the quality of the science. Yes, there are paranormal investigators using modern technology to hunt for the heat signature (in the infrared) of ghosts or the energy of a spectral communication (electronic voice phenomena). There are even a few accomplished university scientists exploring the supernatural, although often on the side and covertly. But there's nothing as sophisticated, at least in design, as the Victorians' work.

In addition to the ambitious "cross-correspondence" study cited earlier, the Victorian scholars ran an international survey of reported ghost sightings, particularly those tied to the death of a relative or friend. Tens of thousands of people in multiple countries were interviewed; hundreds of volunteers sifted through the reports, rejecting those that lacked independent witnesses or documentation. They concluded that "death visitants" occurred more than 400 times above chance. . .

Why do so many people report visions, voices or sensations of friends or relatives at the moment of the other's death? Is it wishful thinking, hallucination, undiagnosed mental illness, a human tendency to stamp meaning onto events, a remarkable pattern of liars, genuine telepathy, a visiting ghost? All those possibilities have been raised, and none have been adequately researched.

"Either I or the scientist is a fool with our opposing views of probability," James wrote. The risk of appearing foolish, he believed, was the least of the dangers. There was also the risk of failing to investigate the world in all its dimensions, or making it appear smaller and less interesting than it really is. He worried about a time when people would become "indifferent to science because science is so callously indifferent to their experiences." He worried that a close-minded community of science could become a kind of cult itself, devoted to its own beliefs and no more.

And, as should be obvious here, I have come to agree with him.


More dogmatism (Repost from AMNAP 1.0)



SurvivalAfterDeath.org has published some fascinating essays from the history of psychical research and parapsychology. Here is an excerpt from an essay by Hans Enysenck and Carl Sargent (emphasis added by me):


Finally, scientists have queried the research methods and statistics of parapsychologists - in isolated skirmishes. This seems to be a symptom of their concern rather than part of it. The statistical issues were settled many years ago, and whilst some researchers occasionally make slips, parapsychologists generally are extremely careful and even over-conservative in their evaluations of experiments. Similar comments would apply to methods of experimenting: the average standard is better than it was, say, 30 years ago, and a pinnacle of achievement like Schmidt's work has produced many laudatory comments from parapsylchologists and sceptics alike. Anyone trying to mount a comprehensive critical attack on parapsychology from a statistical viewpoint would be doomed to failure (no-one has tried for the last 30 years). An attack based solely on criticism of research methods could not survive without extensive appeal to fraud (which, as we've seen, is all unscientific and corrupting argument - like heroin once get the taste for it you can't stop).

This exhausts all the rational sceptical arguments which are brought to bear on parapsychology. However, it is clear that a purely rational perspective will not suffice to explain scientific attitudes. What makes John Taylor utter emotive (and amusing) phrases like 'ESP is dead'? What made one colleague of Sargent's say to him, after a discussion of his, and other researcher's, Ganzfeld-ESP work, 'The results you presented would convince me of anything else, but this: I just cannot believe it and I don't know why'? A story told to us by Dr Bernard Dixon, an ex-editor of New Scientist and someone broadly sceptical about parapsychology, which really brings this irrational component home is this. After a lecture at the Royal Institution on PK metal-bending, one physicist sitting close to Dixon leapt to his feet and shouted, 'It's all nonsense. Nonsense! Heard it all before! Nonsense!' Dixon stated that he was so purple that he, Dixon, worried for a moment about whether the man might have a coronary or not. What is it that drives normally sane enough people to such extremes of virtually speechless irrationality?

We are familiar enough with irrational belief. There are some people who will believe almost anything. But, on the other hand, there are people who will refuse to believe anything. A perfect example would be the great scientist Helmholtz: 'Neither the testimony of all the Fellows of the Royal Society, nor even the evidence of my own senses, would lead me to believe in the transmission of thought from one person to another independent of the recognised channels of sense.' Here we have irrational disbelief: just another Lavoisier. Helmholtz has put himself beyond the pale of science: not the testimony of every single Fellow of the Royal Society would persuade him to revise his irrational disbelief. In short, Helmholtz has stated: My mind is made up and no evidence is going to change it. Now, whatever rules science has (and these, are constantly debated), this nonsense violates most of them.

So, why is irrational disbelief not seen for what it is? Why do newspapers detail excesses of gullibility but remain silent on this issue? Possibly because the irrational disbelievers have played a classic con-trick on us: they have pretended to be the 'real' scientists, defending the purity of science against the dangerous nonsense of parapsychology. But they may be seen, on closer inspection, to be nothing of the kind. Indeed they are not sceptics at all!

Consider what the irrational disbeliever is saying. First, there are certain Laws of nature (and the sceptic will frequently use the disreputable tactic of appealing to authority, in Inquisitional vein, here) - and psi contradicts them (which cannot be stated, as we've seen). Therefore psi cannot possibly occur, and one can dismiss any 'evidence' for it on any grounds which happen to be convenient - bad experiments, fraud, conspiracy, that kind of thing ('arguments' which contravene all rules of scientific discourse).

The parapsychologist is the true sceptic. He says, 'There is evidence, of the existence of Phenomena not generally accepted by science, and not incorporated into scientific theories. I am not prepared to accept it on the word of some authority (or group thereof) that these things cannot possibly exist. I question orthodoxy, and if you define dissent as heresy, so much the worse for science. I'm going to look at the facts without preconceptions.

New knowledge is often acquired by people who refused to accept the so-called Laws of nature, and authoritarian pronouncements about what was possible and impossible. Parapsychologists are in this tradition. They have generated new knowledge.


Living is easy with eyes closed. . .

Reading this post this morning made me realize that there is nothing I can say to break people like Robin out of their life-concepts, to help them to see that what they think of as real is just the tiniest slice of what life is.

I used to be excited by the prospect of showing smart scientists that there was more to reality than just the physical. I figured that they were all intensely curious and that the prospect of finding out the universe was much more amazing than their current models describe would excite them and motivate them to change their beliefs.

After several years of discussions about psi phenomena with dozens of scientists and fellow-travellers, I have found that the large majority just aren't interested in looking at the evidence. They "know" what is real, and aren't interested in finding out otherwise. Which isn't much different than believers in any other system of thought such as religion or political ideology.

And so I reluctantly turn aside, give up my dreams of mass conversions from a reductionist philosophy and write for those who are already open to something beyond physicalism. . .

Friday, April 6, 2007

Defending a dogma (repost from AMNAP 1.0)




Dogmatic science operates much more as a sociological priesthood than as an investigation into reality.

In the church of dogmatic science, any concession that psi phenomena might possibly be real is considered heresy. When such a suggestion comes from a highly respected and accomplished scientist, the clergy are sure to respond swiftly and loudly.

Consider this essay in "Scientific American" written by Michael Shermer. He condescendingly attacks Freeman Dyson for the sin of publicly admitting the possibility that perhaps the testimony of millions of experiencers of psi phenomena might indicate something real is happening. Then Shermer states that there is no scientific evidence for psi, a complete falsehood in light of all these studies.

Is Michael Shermer himself a scientist? By training, yes. However, his role at Scientific American is very similar to Cardinal Ratzinger's role as prefect of the Congregation for the Doctrine of the Faith before his ascention to popehood. That is, to rally the faithful and issue proclaimations of truth and falsehood, presenting to the world an official version of scientific truth. Why is he given a monthly column in one of the most important and prestigious venues for the scientific establishment? To defend its dogmas as chief guardian of the sacred cattle.