For a Within-Subjects Study Comparing Two Treatments, a and B

question 23

Multiple Choice

For a within-subjects study comparing two treatments, A and B, a researcher expects that practice in the first treatment will improve the participants' scores in the second treatment. If the order of treatments is counterbalanced, then the practice will ____.

• A) influence scores in treatment A, but not in treatment B
• B) influence scores in treatment B, but not in treatment A
• C) influence scores in treatment A for half the participants and scores in treatment B for half the participants
• D) not influence the scores in either treatment condition because the treatments are counterbalanced

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Definitions:

Informative

Refers to communication or data that provides useful or important information or knowledge.

Explanandum

In philosophy of science, the phenomenon or event that needs to be explained or accounted for in an explanation.

Adequate

Adequate describes a condition or quality of being sufficient, acceptable, or satisfactory for a specific requirement or purpose.

Explanandum

The phenomenon or event that is to be explained in a scientific inquiry.