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Identify Experimental Methodology
Grade Level
AP Psychology
AP.008 Identify Experimental Methodology
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A researcher wants to support a causal claim that a brief gratitude exercise improves mood. Which methodological feature would most directly support that claim?
A
A survey asking whether gratitude and mood are related.
B
Random assignment to a gratitude exercise or a neutral writing exercise that the researcher controls.
C
A detailed definition of mood as a rating from 1 to 10.
D
A large sample of people who already keep gratitude journals.
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