________ refers to an extraneous variable attributable to changes in the test units themselves that occur with the passage of time.
A)Mortality
B)Interactive testing effect
C)Maturation
D)Main testing effect

Question

Quizplus · Accepted Answer

Maturation refers to natural changes that occur in individuals over time, such as physical or cognitive development, that could affect the outcomes of a study. This extraneous variable is not caused by the experimental manipulation or treatment, but rather the passage of time itself.

________ Refers to an Extraneous Variable Attributable to Changes in the Test