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Experimenter Bias: Why Your Data Might Be Deceiving You

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Experimenter Bias: Why Your Data Might Be Deceiving You

An error by the investigator in the perception or recording of data.

EXPERIMENTER OBSERVER EFFECT: “In the experimenter observer effect Joe incorrectly recorded the numbers in the wrong column.”

Cite This Article

looti, M. (2026, June 20). Experimenter Bias: Why Your Data Might Be Deceiving You. Encyclopedia of psychology. https://encyclopedia.arabpsychology.com/experimenter-observer-effect/
looti, Mohammed. “Experimenter Bias: Why Your Data Might Be Deceiving You.” Encyclopedia of psychology, 20 June 2026, https://encyclopedia.arabpsychology.com/experimenter-observer-effect/.
looti, Mohammed. “Experimenter Bias: Why Your Data Might Be Deceiving You.” Encyclopedia of psychology. June 20, 2026. https://encyclopedia.arabpsychology.com/experimenter-observer-effect/.