experimenter effects


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Related to experimenter effects: counterbalancing

ex·per·i·ment·er ef·fects

the influence of the experimenter's behavior, personality traits, or expectancies on the results of that person's own research. See: double-blind study.

ex·per·i·ment·er ef·fects

(eks-per'i-men'tĕr e-fekts')
The influence of the experimenter's behavior, personality traits, or expectancies on the results of that person's own research.
References in periodicals archive ?
Through a better understanding of these experimenter effects, we will be able to make meaningful comparisons of results across studies that have employed different experimenters in differing laboratory contexts.
Hyman would still maintain there is something weird afoot in the form of the experimenter effect, and he may just be right.
Although more rigorous attention to experimenter effects may have resulted in better designed studies in this area, there has been little success in adequately controlling for, or explaining, the role of individual differences in psi ability in animals.
each researcher held the REG and tried to "heal it" under whatever strategy they deemed effective) in an attempt to gauge experimenter effects.
There were two exploratory aspects to this study; the validity of matching each homophone pair for familiarity was to be determined (see below), as were any potential experimenter effects.
However, for psi experiments, the inverse relationship between effect size and sample size may be a manifestation of goal-oriented psi experimenter effects (Kennedy, 1994; 1995) and decline effects (Kennedy, 2003b) rather than methodological bias.