Multiple Choice
Drew is running a study on the effects of alcohol on memory recall. He has two groups: one that receives alcohol and one that receives water. He checks in on the progress of the alcohol group more frequently and may have given that group more instructions. The MOST obvious weakness of Drew's study is ______.
A) placebo effects
B) experimenter effects
C) internal validity
D) generalizability
Correct Answer:
Verified
Correct Answer:
Verified
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