Dr. Hodo is conducting a study in which he examines the effect of two types of therapy on depression in college students. The type of therapy is the ____ variable.
a. independent
b. control
c. dependent
d. confounding
Question 2
Dr. Jiminez investigates the influence of snacking on the onset of sleep in preschool children. One group of preschoolers eats a candy bar prior to bedtime, and the other group eats nothing. Time until the onset of sleep is recorded for each child. In this experiment, eating or not eating the snack is the ____ variable, and the time until the onset of sleep is the ____ variable.
a. independent; dependent
b. dependent; independent
c. experimental; control
d. control; experimental
