During the First Treatment Condition of a Within-Subjects Experiment, the Participants

question 11

Multiple Choice

During the first treatment condition of a within-subjects experiment, the participants learn a new skill that helps improve their performance in later treatment conditions. For this study, the internal validity is threatened by ____.

• A) history effects
• B) instrumentation
• C) order effects
• D) regression toward the mean

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Definitions:

Research

A systematic investigation into and study of materials and sources to establish facts and reach new conclusions.

Interest Groups

Organizations or collectives focusing on advocating or lobbying for specific causes, interests, or policies.

Obscure

Something that is not discovered or known about; uncertain or unclear due to being poorly understood.

News Media

Outlets and platforms, including newspapers, television, radio, and online sources, that are involved in the gathering, broadcasting, and distribution of news to the public.