Apentix/AP Psychology/Unit 1: Scientific Foundations of Psychology/Question
AP Psychologyhardmcq1 pt

A double-blind procedure is used in research to:

A.Ensure random assignment
B.Increase the statistical significance of results
C.Eliminate the placebo effect
D.Reduce both participant and experimenter bias

Explanation

Core Concept

In a double-blind procedure, neither the participants nor the experimenters know who is in the experimental or control group, reducing bias from both sources.

Correct Answer

DReduce both participant and experimenter bias

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