experimenter effect


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experimenter effect

n
(Psychology) psychol the influence of an experimenter's expectations on his results
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References in periodicals archive ?
Chapter 7 deals with the experimenter effect, which Rao dichotomizes (p.
There may have been a unique experimenter effect in the individual ("non-market") setting.
"Confronting the Experimenter Effect: 1." Parapsychology Review, 20, 1989a, 1-4.
An experimenter effect on place avoidance learning of selectively-bred taste-aversion prone and resistant rats.
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.
Even so, Wiseman writes, "perhaps the most far reaching version of [the] 'get out of the null effect free' card involves an appeal to the 'experimenter effect", wherein any negative findings are attributed to the psi inhibitory nature of the researchers running the study" (cited by Carter, p.
Put simply, autobiography is less usefully construed as "badly remembered correlational data under the duress of a powerful experimenter effect" (Life and Story, p.
EXPERIMENTER EFFECT: An experimental outcome that results, not from manipulation of the variable of interest itself, but from some aspect of the experimenter's behavior, such as unconscious communication to the subjects, or possibly even a psi-mediated effect working in accord with the experimenter's desire or motivation.
As confusing as this is--and it is quite confusing--it illustrates a key difference in how GCP results should theoretically manifest, depending on whether they do measure some latent proto-psi, or are, for instance, an experimenter effect. With this information, Bancel takes the brilliant next step of examining the physical structure of the random event generators (REGs) used in the GCP.