Which of the Following Statements Comparing Within- and Between-Subjects Designs

Multiple Choice

Which of the following statements comparing within- and between-subjects designs is FALSE?

A) Within-subjects designs have more error variance than equivalent between-subjects designs.
B) Because participants in within-subjects designs take part in both the experimental and control conditions, there is perfect equivalence of participants in both conditions.
C) Within-subjects designs require fewer participants than equivalent between-subjects designs.
D) Because participants in within-subjects designs take part in both the experimental and control conditions, participants might deduce the hypothesis and alter their behavior accordingly.