A recent study reports that students who just finished playing a prosocial video game were more likely to help others than students who had played a neutral or antisocial game. For this study, what is the independent variable?
a. The students who were given the prosocial game
b. The students who were given the neutral or antisocial game
c. The kind of game given to the students
d. The helping behavior of the students
Question 2
A researcher conducts an experiment to determine whether moderate doses of St. John's Wort have any effect of memory for college students. For this study, what is the independent variable?
a. The amount of St. John's Wort given to each participant
b. The memory score for each participant
c. The group of college students
d. Cannot answer without more information
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