Randomly assigning participants to condition allows the researcher to minimize the effects of
A) demand characteristics.
B) the experimental treatments.
C) systematic differences between the groups.
D) placebos.
Question 2
Why is an exchange approach more common in casual relationships than in long-term relationships?
a. Emotion plays a greater role in casual relationships.
b. In long-term relationships, it's hard to assign values to resources.
c. Equity issues become less important in long-term relationships.
d. As people age, they become more concerned with communal values.
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