If we choose participants in such a way that our groups are not equal before the experiment, we have which of the following threats to internal validity?
A) Selection
B) History
C) Testing
D) Maturation
Correct Answer:
Verified
Q26: Bess has conducted a pretest-posttest control-group study
Q27: If events occur between the DV measurements
Q28: Interactions with _ occur if there are
Q29: You choose your participants through random _,
Q30: _ means that all possible participants have
Q32: Random assignment is related to _ validity,
Q33: How does the pretest-posttest control-group design control
Q34: If participants drop out of your experiment
Q35: If measuring the DV causes a change
Q36: Which of the following is not a
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