Which of the following is a threat to internal validity in studies that match on pretest scores?
A) selection by maturation
B) regression
C) mortality
D) all of the above
Correct Answer:
Verified
Q5: To test the effect of a new
Q6: Which is the most serious source of
Q7: Which of the following is the most
Q8: The most serious problem with arbitrary assignment
Q9: In terms of internal validity, which of
Q11: Why do the authors say that matching
Q12: The fact that participants are matched on
Q13: The fact that participants are not matched
Q14: Matching on pretest scores makes the study
Q15: Matching on pretest scores makes a study
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