If the effect of the first measurement influences what the subject does on the second measurement, we would name this
A) a treatment effect.
B) a carryover effect.
C) a contaminating influence.
D) a flaw in the design.

Question

Quizplus · Accepted Answer

A carryover effect occurs when the response of the subject in the second measurement is influenced by the treatment or condition in the first measurement. This is different from a treatment effect, which is the intended effect of the treatment on the outcome, and a contaminating influence, which is an external factor affecting the results. A flaw in the design may or may not cause a carryover effect, but it is not a specific term for this phenomenon.

If the Effect of the First Measurement Influences What the Subject