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Investigator Effects in Psychology: Definition, Examples & How to Control Them
by Yum Yum Mama Team October 29, 2025

Investigator effects occur when a researcher’s behaviour or expectations influence participants. Discover how to control them using double-blind designs, standardisation, and randomisation.

Posted in double-blind design psychology, how to control investigator effects, investigator bias psychology, investigator effects aqa, investigator effects psychology, threats to validity psychology

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