Zerbie wants to know if changing the type of music CAUSES an EFFECT on how students study. Zerbie asks 30 Psychology Superheroes
to help by studying for 1 hour to a type of music and then take a quiz: 10 listen to classical music, 10 to country, and 10 to rap. At the end of the hour all of the Psych Superheroes test and Zerbie collects the data. What type of research would Zerbie need to conduct to find the answer to this question?
