What term is used when a subject becomes unavailable during the course of a study?
A)treatment drift
B)cancellation
C)attenuation
D)attrition

Question

Quizplus · Accepted Answer

Attrition refers to the loss of participants during the course of a study, either due to dropout, non-compliance, or other reasons. This can affect the reliability and validity of the study's results. Treatment drift refers to a deviation from the planned intervention, cancellation refers to the termination of a study before completion, and attenuation refers to a decrease in the strength of a relationship between variables.

What Term Is Used When a Subject Becomes Unavailable During