Which type of effect occurs when there is a change in the wording of questions, a change in interviewers, or a change in other procedures that causes a change in the dependent variable?
A) history effect
B) mortality effect
C) instrumentation effect
D) testing effect

Question

Quizplus · Accepted Answer

A change in the wording of questions, a change in interviewers, or a change in other procedures that causes a change in the dependent variable is called an instrumentation effect. This type of effect is a result of changes in measuring instruments or procedures, rather than changes in the actual variables being measured. The other options are different types of experimental effects: history effect is when an external event affects the dependent variable, mortality effect is when participants drop out of the study, and testing effect is when taking a test affects performance on later tests.

Which Type of Effect Occurs When There Is a Change