noun. 1. one who produces or documents an observation. 2. with regard to telepathy experiments, a partaker who is neither the assigned sender nor the assigned receiver. Their job is frequently to protect against experimenter bias or other methodological mistakes.
What is OBSERVER?
Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff
OBSERVER: "The observers were tired after a full eight-hour day of viewing intermittent changes in the rats' dispositions."
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