When some subjects exit the experiment before it is completed and this effects the results of the study,this is an example of a(n):
A)mortality effect
B)history effect
C)instrumentation effect
D)confounding effect

Question

Quizplus · Accepted Answer

A mortality effect occurs when participants drop out of a study, which can impact the results by leaving only those who may be more motivated or affected by the treatment.

When Some Subjects Exit the Experiment Before It Is Completed