Which of the following statements is NOT true concerning this experiment?
You are investigating how sleep affects memory. You assign half of your participants to sleep for 8 hours and half to sleep for 4 hours. You then have participants complete a questionnaire asking them to recall how many times their parents brought them to the zoo as a child. Which of the following statements is NOT true concerning this experiment?
A. The independent variable is recall.
B. The dependent variable is recall.
C. The independent variable is amount of sleep.
D. Sleep is expected to affect memory.