A researcher carries out a study of memory strategies. She has all participants receive all three strategy conditions. First they get strategy A, then they get strategy B, and then they receive strategy C. She notices that there is a steady increase in performance as the students move from A to C. She is concerned because although it might be that strategy C is better than strategy A, it is also possible that the participants might just improve because of familiarity with the task of memorizing lists. Her concern reflects the potential of:
A) Order effects
B) Random assignment
C) Carryover effects
D) Random sequencing effect

Question

Quizplus · Accepted Answer

Order effects occur when the order in which participants receive treatments influences the outcome, as seen in the steady increase in performance from strategy A to C.

A Researcher Carries Out a Study of Memory Strategies