When participants are selected for a pretest-posttest design because they have extremely low or extremely high scores on the dependent variable, researchers must be on the lookout for
A) maturation.
B) regression to the mean.
C) local history effects.
D) order effects.
Correct Answer:
Verified
Q1: Quasi-experimental designs differ from experimental designs in
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
Q8: The central threat to the internal validity
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
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