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In 1794 the eminent Italian physiologist Lazzaro Spallanzani (1729-99), one of the founders of experimental biology, published a modest but heretical proposal. Long intrigued by the ability of bats to fly in total darkness without bumping into things, he set out to discover how they did it. He reasoned that they must be using one of their five senses, and in a series of extremely cruel experiments he maimed bats by destroying their senses one by one, blinding them, blocking their ears or even cutting them off, eliminating their sense of smell and removing their tongues.
It soon became clear to him that it was the sense of hearing that bats needed in order to avoid obstacles. But hearing what? Bats made no audible sounds as they flew, and little if anything was known in the 18th century about ultrasound, the secret of bats' success as nocturnal navigators.
Spallanzani was in effect making a claim for the paranormal, much as the pioneers of psychical research were to do in the following century in the case of telepathy. There was no sign in 1794 of a normal explanation for the bat�s navigating skills, so the scientific establishment did what it tends to do on these occasions - it made one up. Its chief spokesman was the French naturalist Georges Cuvier (1769-1832), a pioneer in both anatomy and palaeontology. He decreed, in a paper published in 1795, that "to us, the organs of touch seem sufficient to explain all the phenomena which bats exhibit".
...whereas Spallanzani, and several colleagues whom he persuaded to repeat his experiments, reached their unanimous conclusion only after numerous experiments, Cuvier solved the problem without having performed a single one. It was, as the 20th century bat expert Robert Galambos noted, "a triumph of logic over experimentation".
Cuvier's explanation soon found its way into the textbooks, and stayed there until the start of the 20th century...
Marks (2000) and Marks & Colwell (2000) were faced with the problem of explaining why [their] findings replicated my own. They speculated that subjects might have learned implicitly to recognize patterns in the randomized sequences used in their trials. These particular counterbalanced sequences were downloaded from the New Scientist web site, and were the same as some of those I used in some of my own trials. They proposed that because these sequences deviated from "structureless" randomizations, subjects who were given feedback could have learned implicitly to detect patterns in the sequences, thus enabling them to guess at above-chance levels. They announced their hypothesis as if it were a fact in the title of their article in the Skeptical Inquirer : "The psychic staring effect: An artifact of pseudo randomization."
This Marks-Colwell hypothesis is fatally flawed for four reasons:
1. Marks (2000) and Marks and Colwell (2000) were apparently unaware that their implicit learning hypothesis had already been refuted by thousands of trials involving structureless randomizations (Sheldrake, 1998, 1999). where implicit learning would have been impossible. In addition, a computerized staring experiment has been running at the New Metropolis Science Museum in Amsterdam since 1996, and more than 18,500 subjects have taken part. A program in the computer provides structureless randomizations for the sequence of looking and not-looking trials. The results are positive and astronomically significant statistically.
2. The implicit learning hypothesis has been refuted by thousands of trials with no feedback, with the usual pattern of positive and highly significant results (Sheldrake, 2000a). Implicit learning depends on feedback, and hence cannot explain these results.
3. . If implicit learning led to positive scores in looking trials, then it should also have done so in not-looking trials. But it did not (Figure 1). Why not? Marks did not mention this problem; perhaps he hoped his readers would not notice it.
4. In Colwell et al.'s experiment, the same subjects took part in nine successive 20-trial sessions with feedback. There was a statistically significant learning effect in successive sessions, but only in the looking trials, not in the not-looking trials. This is consistent with the subjects learning to detect stares more effectively. But such learning would not have been possible in the trials I conducted. Each subject was tested only once, in a single 20-trial session, and hence the learning hypothesis cannot account for the experimental data shown in Figure 1A.
Conjuring has been a life-long hobby and much of his criticism of psychical research focuses on possibilities of cheating. The style of his attacks is frequently bitter, derisive and personal. Yet, surprisingly, unlike most self-proclaimed skeptics, he is not an atheist. Gardner's motivation is religious. As he explains in his book The Whys of a Philosophical Scrivener, he believes in God, the power of prayer and life after death. In a penetrating study of Gardner's work, George Hansen, in his book The Trickster and the Paranormal (2001) , argues that Gardner's position can be traced back to his teenage Protestant fundamentalism and his belief that the realms of science and faith should be sharply separated. "[H]e vehemently opposes using science to empirically address religious issues. He is comfortable with CSICOP because it doesn't really do science. Instead it ridicules attempts to study the paranormal scientifically". Gardner serves as a border guard to keep the paranormal out of science and academe.
Carl Sagan, in his sympathetic introduction to Randi�s book The Faith Healers (1987) described him as an "angry man". His work as a debunker has attracted lavish funding and in 1986 he was the recipient of a $286,000 MacArthur Foundation Fellowship. In 1996 he established the James Randi Educational Foundation (JREF). He has an ambiguous attitude to scientific authority, deferring to it when it supports his beliefs, but rejecting it when it does not.
On his web site he asserts: "Authority does not rest with scientists, when emotion, need and desperation are involved. Scientists are human beings, too, and can be deceived and self-deceived". He is not afraid to attack scientists who take an interest in subjects like telepathy, like Brian Josephson, Professor of Physics at Cambridge University. In 2001, on a BBC Radio program about Josephson's interest in possible connections between quantum physics and consciousness, Randi said, "I think it is the refuge of scoundrels in many aspects for them to turn to something like quantum physics." Josephson has a Nobel Prize in quantum physics. Randi has no scientific credentials.
Thus, this most recently discovered letter is simply one more bit of evidence relating to the "legacy" of Philip J. Klass. Anyone who has surveyed the man�s life and career should understand by now that any such so-called legacy of his has nothing to do with his analysis of the UFO phenomenon, which was always shallow and politically motivated. Rather, it will be for his underhanded, sleazy, behind-the-scenes efforts to intimidate academically and scientifically qualified institutions � as well as mainstream U.S. media � away from the study of UFOs. This is work, moreover, that strongly appears to have been done on behalf of elements of the United States intelligence community. That fact may not yet be proven to the satisfaction of everyone, but the ducks are certainly lining up.
If one was to listen to a bunch of first-grade piano students fumbling through Chopsticks with wrong notes in every bar while upstairs and out of earshot a talented youngster was giving a faultless performance, without the music, of Chopin's Barcarolle, you would be wrong to conclude that there was no real evidence that anybody could play the piano properly, let alone brillliantly. Which is in effect what the skeptical invaders did, as they always do. What has been lost as a result can only be imagined.
Originally posted by rich23
reply to post by Xtraeme
But the bottom line is that these are both people who were and are (in Randi's case at least) toscupper inquiry into areas not deemed fit for investigation by the mainstream world.
Randi in particular has done and continues to do enormous damage to the progress of scientific inquiry. And I can't imagine Klass ever saying anything I'd agree with. What things did he say that you agreed with?