Maturation as a threat to internal validity in experiments refers to:
A) some subjects are older than others
B) as people grow and change, results can be impacted
C) only subjects over the age of 21 are mature enough to be part of an experiment
D) none of the above

Question

Quizplus · Accepted Answer

Maturation refers to natural changes that occur over time which may affect the outcomes of an experiment. As people grow and change, this can impact the results of an experiment and thus threaten its internal validity. The other answer choices (A and C) are not accurate descriptions of maturation as a threat to internal validity in experiments.

Maturation as a Threat to Internal Validity in Experiments Refers