Multiple Choice
A researcher attempts to study the effects of alcohol on task performance. One factor is alcohol-alcohol treatment versus placebo control-and the other factor is task difficulty-easy versus difficult. If the researcher uses a completely repeated measures design with 15 participants per condition, how many participants will he need for the study?
A) 15
B) 30
C) 45
D) 60
Correct Answer:
Verified
Correct Answer:
Verified
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