A decrease in participants' scores on a measure from pretest to posttest could suggest which of the following threats to internal validity?
A) Regression
B) Maturation
C) Testing
D) Both a and c
E) All of the above

Name: A decrease in participants' scores on a measure from pretest to posttest could suggest which of the following threats to internal validity? A) Regression B) Maturation C) Testing D) Both a and c E) All of the above
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Question

Quizplus · Accepted Answer

The Answer is D

A Decrease in Participants' Scores on a Measure from Pretest