Controlling Within-Subjects Designs Which of the following best illustrates the problem of carryover effects?
A)An experimenter changes scoring procedures as an experiment progresses.
B)Solving the first anagram facilitates solving later anagrams.
C)Subjects always perform best on the last set of problems in a random series.
D)Subjects tire and make more mistakes as they solve puzzles in each treatment condition.

Question

Quizplus · Accepted Answer

Carryover effects occur when the effects of one treatment condition persist and affect the subsequent condition. In this case, solving the first anagram may facilitate solving later anagrams, leading to a potential carryover effect. The other options do not necessarily illustrate the problem of carryover effects.

Controlling Within-Subjects Designs Which of the Following Best Illustrates the Problem