A researcher is worried that performance on an aptitude test will improve simply because of repeat exposure to the instrument, which will cloud his ability to assess the impact of two unique educational interventions he wants to study.To help remove the effect of repeated exposure, the researcher could use:
A) repeated measures.
B) counterbalancing.
C) a within-groups design.
D) a single-sample t test.

Question

Quizplus · Accepted Answer

Counterbalancing is a method used to control for the effects of repeated exposure by varying the order in which participants experience conditions. This can help mitigate the potential for performance improvements due to familiarity with the test rather than the educational interventions being studied.

A Researcher Is Worried That Performance on an Aptitude Test