Using Meta-Analysis to Analyze the Results of Several Studies That

question 336

Multiple Choice

Using meta-analysis to analyze the results of several studies that used the ganzfeld procedure to test clairvoyance, what general results have researchers found?

• A) One summary of dozens of ganzfeld studies showed a hit rate well above chance level, but other psychologists dispute the statistical techniques used.
• B) The meta-analysis conclusively showed that the ganzfeld studies do NOT demonstrate evidence for the existence of an ESP effect.
• C) The meta-analysis conclusively showed that the ganzfeld studies DO reliably demonstrate evidence for the existence of psychokinesis but not for clairvoyance.
• D) The meta-analysis showed that sensory adaptation can account for many so-called ESP demonstrations.

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