Correcting the Past: Failures to Replicate Psi
Carnegie Mellon University
Robyn A. LeBoeuf
Washington University in St. Louis
Leif D. Nelson
University of California, Berkeley - Haas School of Business
Joseph P. Simmons
University of Pennsylvania - The Wharton School
June 19, 2012
Forthcoming, Journal of Personality and Social Psychology
Across seven experiments (N = 3,289) we replicate the procedure of Experiments 8 and 9 from Bem (2011), which had originally demonstrated retroactive facilitation of recall. We failed to replicate that finding. We further conduct a meta-analysis of all replication attempts of these experiments and find that the average effect size (d = .04) is no different from zero. We discuss some reasons for differences between the results in this paper and those presented in Bem (2011).
Number of Pages in PDF File: 46
Keywords: esp, psi, precognition, failure to replicate
Date posted: February 9, 2012 ; Last revised: June 20, 2012
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