The central threat to the internal validity of a simple interrupted time series design is
A) maturation.
B) contemporary history.
C) regression to the mean.
D) pretest sensitization.
Correct Answer:
Verified
Q3: A local history effect occurs
A)because participants were
Q4: In a nonequivalent control group pretest-posttest design,
Q5: Regression to the mean is most likely
Q6: When should a one-group pretest-posttest design be
Q7: Compared to true experiments, quasi-experiments tend to
A)have
Q9: When the groups in a quasi-experiment were
Q10: The one-group pretest-posttest design is a _
Q11: The interrupted time series design with a
Q12: In a simple interrupted time series design,
A)the
Q13: Which of the following confounds is most
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