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Experimenter Effects and the Remote Detection of Staring

📄 Original study
Wiseman, Richard, Schlitz, Marilyn J 1997 Modern Era telepathy

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Plain English Summary

Can you feel someone staring at you from another room? A skeptic (Wiseman) and a believer (Schlitz) tested this together — same lab, same equipment, same procedures, same volunteers. They measured skin conductivity (basically how much your palms sweat) while a sender stared at participants through closed-circuit TV or looked away. The results were wild: Schlitz's participants showed a real physical response to being stared at. Wiseman's showed nothing. Same everything, different outcomes depending on who ran it. This is one of the most cited demonstrations of "experimenter effects" — where whoever runs a study somehow influences results. It remains unsolved and raises deep questions about what replication means in science.

Research Notes

One of the most cited studies in the experimenter-effect debate. The finding that protocol-identical experiments yield different results depending on who runs them remains unresolved and challenges conventional replication frameworks. Led directly to the Wiseman & Schlitz 2006 follow-up. Central to Controversy #10 (meta-debate on whether psi research is fundamentally sound).

A skeptic (Wiseman) and a proponent (Schlitz) each ran 16 sessions of a remote staring detection experiment at the same lab, using identical equipment, procedures, and participant pool. Receivers’ electrodermal activity (EDA) was recorded during randomly ordered 30-second stare and non-stare trials while the sender/experimenter viewed them via closed-circuit TV from 20 meters away. Wiseman’s receivers showed no significant difference (Wilcoxon z = −0.44, p = 0.64), while Schlitz’s showed significantly higher EDA during stare trials (z = −2.02, p = 0.04). The between-experimenter comparison was not significant (t = 1.39, p = 0.17). This dramatic divergence despite identical methodology is a landmark demonstration of experimenter effects in psi research.

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📋 Cite this paper
APA
Wiseman, Richard, Schlitz, Marilyn J (1997). Experimenter Effects and the Remote Detection of Staring. Journal of Parapsychology.
BibTeX
@article{wiseman_schlitz_1997_experimenter_staring,
  title = {Experimenter Effects and the Remote Detection of Staring},
  author = {Wiseman, Richard and Schlitz, Marilyn J},
  year = {1997},
  journal = {Journal of Parapsychology},
}