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Validity

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Internal Validity   Asks if the independent variable changed or was related to the dependent variable or if was affected by something else.  
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External Validity   Concerns the generalizability of the findings of one study to additional populations and other environmental conditions.  
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Internal Validity   Includes potential threats related to instrumentation.  
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External Validity   Questions under what conditions and with what types of subjects the same results can be expected to occur.  
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Internal Validity   Includes potential threats related to selection bias.  
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External Validity   Factors are termed selection effects, reactive effects, and testing effects.  
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Internal Validity   Includes potential threats related to testing.  
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