A researcher who uses ONLY within-subjects designs will NEVER have which of the following problems?
A) practice effects
B) intelligence as a confounding variable
C) context effects
D) results that are not statistically significant

Question

Quizplus · Accepted Answer

Within-subjects designs involve the same participants being exposed to all conditions of the experiment, which inherently controls for individual differences such as intelligence, because each participant serves as their own control. This design does not eliminate practice effects, context effects, or the possibility of non-significant results, but it does control for participant-specific variables like intelligence.

A Researcher Who Uses ONLY Within-Subjects Designs Will NEVER Have