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1. Define independent, dependent, and extraneous variables and identify examples of each in an experiment. 2. Describe, compare, and contrast the defining characteristics of a
1. Define independent, dependent, and extraneous variables and identify examples of each in an experiment.
2. Describe, compare, and contrast the defining characteristics of a between-subjects design and a within-subjects design, and recognize examples of each.
3. Explain how individual differences threaten the internal validity of a nonequivalent group design
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