by Rupert Sheldrake and Pamela Smart
Journal of Parapsychology 67, 187-206, June 2003 64, 224-232
Abstract
The authors tested whether participants (N = 4) could tell who was calling before answering the telephone. In each trial, participants had 4 potential callers, one of whom was selected at random by the experimenter. Participants were filmed on time-coded videotape throughout the experimental period. When the telephone began ringing, the participants said to the camera whom they thought the caller was and, in many cases, also how confident they felt in their guesses. The callers were usually several miles away, and in some cases thousands of miles away. By guessing at random, there was a 25% chance of success. In a total of 271 trials, there were 122 (45%) correct guesses (p = 1 10-12). The 95% confidence limits of this success rate were from 39% to 51%. In most trials, some of the callers were familiar to the participants and others were unfamiliar. With familiar callers there was a success rate of 61% (n = 100; p = 1 10-13). With unfamiliar callers the success rate of 20% was not significantly different from chance. When they said they were confident about their guesses, participants were indeed more successful than when they were not confident.
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