✦ LIBER ✦

Human performance and physiology: A statistical power analysis of ELF electromagnetic field research

✍ Scribed by Craig J. Whittington; John V. Podd

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 456 KB
Volume: 17
Category: Article
ISSN: 0197-8462
DOI: 10.1002/(sici)1521-186x(1996)17:4<274::aid-bem3>3.0.co;2-0

No coin nor oath required. For personal study only.

✦ Synopsis

Research examining the effects of electromagnetic fields (EMFs) on human performance and physiology has produced inconsistent results; this might be attributable to low statistical power. Statistical power refers to the probability of obtaining a statistically significant result, given the fact that a real effect exists. The results of a survey of published investigations of the effects of EMFs on human performance and physiology show that statistical power levels are very low, ranging from a mean of .08 for small effect sizes to .46 for large effect sizes. Implications of these findings for the interpretation of results are discussed along with suggestions for increasing statistical power.

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