A participant dropping out of a study or not returning to complete additional parts to a study is known as __________.

Question

Quizplus · Accepted Answer

Attrition refers to the phenomenon of participants dropping out of a study or not completing all parts of the study. Mortality refers specifically to participants in a longitudinal study who are lost to follow-up due to death. Fatigue refers to a participant's decreasing performance on tasks due to being tired or overworked. Carry over effects refer to the effect of a treatment or condition from one part of a study carrying over to another part, making it difficult to determine the true effect of the treatment or condition being studied.

A Participant Dropping Out of a Study or Not Returning