If a pretest causes a change in participants' sensitivity to a treatment, what threat is operating?

Name: If a pretest causes a change in participants' sensitivity to a treatment, what threat is operating?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The reactive effect of testing refers to the potential influence of taking a pretest on subsequent performance in the experiment, which can lead to an overestimation or underestimation of treatment effects. This is a type of testing threat to internal validity.

If a Pretest Causes a Change in Participants' Sensitivity to a Treatment