Randy Is Running a Study on Alcohol and Aggressive Behavior

Randy is running a study on alcohol and aggressive behavior. He randomly divides his subjects into two groups because he knows that if he allows his subjects to choose their
Own groups, aggressive subjects will tend to choose the group receiving alcohol while
Non-aggressive subjects will tend to choose the group receiving no alcohol. He then
Would not be able to distinguish the effects of the alcohol from the effects of subjects'
Innate aggressiveness. This tendency of his aggressive subjects to choose the alcohol
Group is called a(n) _______.

A) placebo effect
B) response set
C) experimental blind
D) selection factor

Correct Answer:

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