Newsworthy events that have to do with the focus of an experiment and major disasters to which subjects are exposed are examples of ______.
A)history effect
B)maturation
C)instrumentation
D)regression effect

Question

Quizplus · Accepted Answer

History effect refers to events that occur during the course of an experiment that may influence the results, such as a newsworthy event or a major disaster. Maturation, instrumentation, and regression effect are not directly related to external events.

Newsworthy Events That Have to Do with the Focus of an Experiment