Multiple Choice
An instrumentation effect occurs when:
A) the instrument employed for the pretest has an effect that shows up on the posttest.
B) the measurement instrument is changed from the pretest to the posttest.
C) there is a change on the dependent variable from the pretest score to the posttest score.
D) there is statistical regression to the mean.
Correct Answer:

Verified
Correct Answer:
Verified
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