Select a true experiment from the Journal of Experimental
Criminology, the Journal of Experimental Social Psychology, the Journal of
Personality and Social Psychology, or sources suggested by your instructor.
Diagram the experiment using Exhibits 7.3 and 7.4 in this chapter as models.
Discuss the extent to which experimental conditions were controlled and the
causal mechanism was identified. How confident can you be in the causal
conclusions from the study, based on review of the threats to internal validity
discussed in this chapter: selection bias, endogenous change, external events,
contamination, and treatment misidentification?
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