Education
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Investigator Effects in Psychology: Definition, Examples & How to Control Them
Investigator effects occur when a researcher’s behaviour or expectations influence participants. Discover how to control them using double-blind designs, standardisation, and randomisation.
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Demand Characteristics in Psychology: Definition, Examples & How to Control Them
Demand characteristics occur when participants guess a study’s purpose and change their behaviour. Learn what they are, examples, and how psychologists control them.