The history threat refers to the possibility that ____.
A) because of their personal experiences, some subjects will be uncooperative
B) most important research in the social sciences has already been done
C) events external to the experiment that will impact the results
D) the experiment will be judged to be unimportant
Correct Answer:
Verified
Q24: Which statement is accurate?
A) Threats to external
Q25: You have just completed the LSAT and
Q26: Experimental mortality is especially likely to be
Q27: If randomization is not possible, the researcher
Q28: External validity in an experimental design refers
Q30: Which action would be most likely to
Q31: In Widom's study of the effects of
Q32: The maturation threat refers to _.
A) older
Q33: Neither the subjects nor the researcher can
Q34: When using a nonequivalent-groups design, the researcher
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