In a Study in Which College Students Are Pampered (Given

Multiple Choice

In a study in which college students are pampered (given large amounts of money, subscription television services, and spicy Chinese food) to see whether this treatment will improve their scores in their psychology course, what is the independent variable?

A) whether students were pampered or not
B) students' scores on the next psychology midterm
C) students' previous scores (or baseline) on psychology midterms
D) students' scores on the next midterm minus the baseline score