When taking the pretest affects how participants do on the posttest,there is a(n)____ threat.
A)history
B)maturation
C)instrumentation
D)testing

Question

Quizplus · Accepted Answer

The described situation is an example of a testing threat, where participants’ performance on the posttest is influenced by their previous exposure to similar tasks on the pretest. This can artificially inflate scores, leading to overestimation of treatment effects.

When Taking the Pretest Affects How Participants Do on the Posttest,there