Multiple Choice
A researcher conducts an experiment to determine whether moderate doses of St.Johns Wort have any effect of memory for college students.For this study, what is the independent variable?
A) the amount of St.Johns Wort given to each participant
B) the memory score for each participant
C) the group of college students
D) cannot answer without more information
Correct Answer:

Verified
Correct Answer:
Verified
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