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Feeling the Future: Experimental Evidence for Anomalous Retroactive Influences on Cognition and Affect

โšก Contested โ†—
Bem, Daryl J โ€ข 2011 Modern Era โ€ข precognition

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Plain English Summary

This is the paper that shook psychology to its core. Daryl Bem ran nine experiments with over 1,000 Cornell students, flipping classic psychology experiments backward in time to test whether people can sense future events. Eight out of nine came back positive, with participants seemingly anticipating random stimuli โ€” especially erotic images (because of course those grab attention, even from the future). The average effect was small but consistent. Thrill-seekers did even better, nearly doubling it. Bem ruled out faulty random-number generators with control simulations. Published in one of psychology's top journals, this paper became a lightning rod โ€” sparking Bayesian critiques, failed replications, and helping launch psychology's entire replication crisis.

Research Notes

The most influential psi paper of the 21st century, published in JPSP and widely credited with catalyzing psychology's replication crisis. Central to Controversy #2 (Bem FTF). Prompted Bayesian reanalyses (Wagenmakers et al. 2011), failed replications (Galak et al. 2012), and a large-scale meta-analysis (Bem et al. 2015).

Nine experiments (total N = 1,050 Cornell undergraduates) tested for anomalous retroactive influence by time-reversing well-established psychological effects: precognitive approach to erotic stimuli, precognitive avoidance of negative stimuli, retroactive affective priming, retroactive habituation, and retroactive facilitation of recall. Eight of nine experiments yielded statistically significant results (one-tailed), with a mean effect size of d = 0.22. Stimulus seeking, a component of extraversion, correlated with psi performance in five experiments; high stimulus seekers achieved a mean d = 0.43. Both hardware-based and software-based RNGs were used across experiments, and control simulations with random inputs yielded null results, arguing against artifacts of inadequate randomization.

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๐Ÿ“‹ Cite this paper
APA
Bem, Daryl J (2011). Feeling the Future: Experimental Evidence for Anomalous Retroactive Influences on Cognition and Affect. Journal of Personality and Social Psychology. https://doi.org/10.1037/a0021524
BibTeX
@article{bem_2011_feeling,
  title = {Feeling the Future: Experimental Evidence for Anomalous Retroactive Influences on Cognition and Affect},
  author = {Bem, Daryl J},
  year = {2011},
  journal = {Journal of Personality and Social Psychology},
  doi = {10.1037/a0021524},
}