Time-Series Power Spectrum Analysis of Performance in Free Response Anomalous Cognition Experiments
نویسنده
چکیده
We analyze a database of 3,325 free response anomalous cognition experiments, using procedures recently used in an analysis of a catalog of UFO events. A histogram analysis shows evidence of a significant annual modulation in the success rate, but no significant evidence for modulations associated with time of day or local sidereal time (LST). The salient feature of a power spectrum formed by the Lomb-Scargle procedure is a peak at a frequency very close to twice the lunar synodic frequency. The probability that this feature occurs by chance is estimated to be 0.03%. A running-wave analysis indicates that this is an astronomical effect rather than a spurious property of the database. We also find a peak in the power spectrum with a period of one year. This could be associated with an LST effect, but the running-wave test, which is designed to distinguish between a real LST effect and a spurious LST effect, does not support this interpretation.
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