experimenter bias

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Related to experimenter bias: Hawthorne effect
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  • noun

Words related to experimenter bias

(psychology) bias introduced by an experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants in the experiment

References in periodicals archive ?
As a result, experimenter bias could contribute to the agreement between the two tools.
To avoid experimenter bias, I asked another medical technology faculty member to administer the survey and collect the questionnaires.
A second area of security addressed here concerns precautions against experimenter bias or deviation from intended procedure.
Given the possibility of attribution of intentional experimenter bias or procedural deviation, ideally one would wish to employ procedures that eliminate these, without constraining the procedures to those that have no real ecological validity and little likelihood for success.
It is a computer-based system that provides automatic data recording, highly effective shielding against sensory cues, and resistance to both subject bias and intentional experimenter bias.
1993; Wiseman, Smith, & Kornbrot, 1994) were that there might have been: (1) possible subliminal sound leakage to the receiver through inadequate electronic component isolation; (2) repeated playing of the target tape during sending, which might alter it physically such as to provide a subtle cue; (3) sounds from the VCR, which might provide cues to the experimenter about which clip was being played as target; (4) sound leakage from the sender's room to the experimenter, which might provide cues if senders are noisy; (5) the possibility of a complex electronic signalling system between sender and receiver; and (6) deliberate experimenter bias.