Random Assignment Controls for Important Differences Among Individual Participants by Balancing

question 228

Multiple Choice

Random assignment controls for important differences among individual participants by balancing them.This is in contrast to designs in which each participant is exposed to each condition or group in an experiment.This latter design controls for individual differences by ___________.

• A)randomly sampling them
• B)controlling the placebo effect
• C)holding them constant
• D)balancing these differences between the conditions or groups

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