The control group should be treated exactly like the experimental group, except for the:
a. dependent variable.
b. confounding variables.
c. factor being studied.
d. level of measurement.
Question 2
A psychologist wants to know if classical music enhances memory. Subjects are assigned to two groups and instructed to study a list of 20 words. One group listens to a Bach sonata and the other group hears popular music. In this simple experiment the independent variable is:
a. the word list.
b. subsequent recall on a memory test.
c. music type.
d. the amount of time each group studied.