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Unit 6 Experiments

Political Psychology Midterm

TermDefinition
Internal Validity did the experiment treatment make a difference in their specific experiment -did everything right in experimental design and only indpendent variable is possible explanation of dependent variable (effect)
External Validity your study is generalizable to the general public or overall population
Internal Good experimental design Minimum of two groups Randomized group assignment (MUST) Experimenter control the administration of treatment Researcher creates a dependent variable Researcher controls environment which experiment is conducted
Threats to internal validity History Intersession of History Maturation Performance effect Regression towards the mean Death/unable to locate Unrealible measures
External experimental design random sample replication subject is realistic real world senarios
Threats to external validity Unrepresentative sub pop Hawthorne effect:ppl change when observed Professional subjects Irrelevant measures
Created by: katelyn27
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