Multiple Choice
In a pretest-posttest design, regression is an unlikely explanation for the results if
A) your measurements are completely free of random error.
B) subjects' scores on the pretest were not extreme
C) subjects' scores on the posttest were more extreme than their pretest scores
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q7: According to the text, the reversal design
Q8: Which is NOT a prerequisite for inferring
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Q10: The primary difference between time-series designs and
Q11: The major advantage of the time-series design
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