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observer bias

 the tendency forobservers to record data that may be biased asa result of personal expectations (e.g. awareness of the hypothesis)or motives, rather than recording what actually happens.

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Psychology term of the day

June 19th 2021

negativereinforcement

in operantconditioning, a method to increase the probability and strength of aresponse by removing or withholding an aversive stimuli  (negative reinforcer)