_________________ involves changes in the measuring instrument during the course of a study.
Correct Answer:
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Q52: _ refers to other specific events that
Q63: _ is the tendency of groups that
Q64: Other events besides the treatment variable which
Q65: _ point to the tendency of pretests
Q66: The group that does not receive the
Q68: The tendency of subjects who are aware
Q69: When the control group learns about and
Q70: Which of the following was not mentioned
Q71: Which of the following was not identified
Q72: Observer bias in which observers follow an
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