By changing an A-B design to a A-B-A-B-A-B design, you probably do all of the following EXCEPT
A) decrease the risk of carry-over effects
B) rule out cyclical maturation effects
C) rule out cyclical practice effects
D) increase your study's internal validity

Question

Quizplus · Accepted Answer

A-B-A-B-A-B design increases the risk of carry-over effects because the treatment is repeatedly introduced and withdrawn, which can lead to lingering effects from previous phases.

By Changing an A-B Design to a A-B-A-B-A-B Design, You