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Validity

TermDefinition
Internal Validity Asks if the independent variable changed or was related to the dependent variable or if was affected by something else.
External Validity Concerns the generalizability of the findings of one study to additional populations and other environmental conditions.
Internal Validity Includes potential threats related to instrumentation.
External Validity Questions under what conditions and with what types of subjects the same results can be expected to occur.
Internal Validity Includes potential threats related to selection bias.
External Validity Factors are termed selection effects, reactive effects, and testing effects.
Internal Validity Includes potential threats related to testing.
Created by: Dr.D