experimenter effect


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Related to experimenter effect: single blind study

experimenter effect

n
(Psychology) psychol the influence of an experimenter's expectations on his results
References in periodicals archive ?
There may have been a unique experimenter effect in the individual ("non-market") setting.
In fact, in an early study of the experimenter effect, Hicks (1970) measured physiological responses to mental stress in a sample of men.
This essentially ruled out any experimenter effect associated with his reading out of expectancy instructions.
the experimenter effect is the most important challenge facing modern parapsychology.
Although a number of factors have been proposed to account for the apparent experimenter effect, including experimenter beliefs (see Parker, 1975; Sharp & Clark, 1937; Smith, 2003b; Watt & Baker, 2002; Watt & Brady, 2002; Watt & Ramakers, 2003) and experimenter psi (e.
So some kind of experimenter effect appears to be a viable and likely explanation.