JOHN HENRY EFFECT

an effect in which competitiveness between a control group and an experiment group to rivalry efforts that disturb the experiment.

JOHN HENRY EFFECT: "John Henry Effect is rivalry between a control group and an experimental group."
Cite this page: Nugent, Pam M.S., "JOHN HENRY EFFECT," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/john-henry-effect/ (accessed April 26, 2018).
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