In a within-subjects design,the term "participant attrition" refers to the possibility that
A) the scores may differ from one treatment to another because of outside events.
B) the scores may differ from one treatment to another because of changes in the measuring instrument.
C) the scores may differ from one treatment to another because the participants gain experience in each treatment.
D) some of the individuals in the study may leave without completing all of the treatment conditions.

Question

Quizplus · Accepted Answer

Participant attrition refers to the loss of participants in a study due to individual decisions or circumstances (such as dropping out, moving away, or illness). In a within-subjects design, this can lead to incomplete data and potentially bias the results if the participants who drop out differ systematically from those who remain.

In a Within-Subjects Design,the Term "Participant Attrition" Refers to the Possibility