In a matched group research design, the participants are
a. given a resting baseline measure.
b. assigned to conditions on the basis of information collected prior to the experiment.
c. assigned to two or more similar conditions.
d. likely to experience demand effects.
Question 2
Before administering a manipulation designed to improve the mood of research participants, each participant completes a mood questionnaire. After the mood change is created, the participants then complete another mood questionnaire. The original questionnaire is used as a(n) __________.
a. baseline measure
b. manipulation check
c. control variable
d. alternate explanation
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