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    External and Internal Validity

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    What is the difference between external and internal validity of research study design? This job gives an example to understand these terms.

    © BrainMass Inc. brainmass.com October 9, 2019, 6:57 pm ad1c9bdddf

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    Validity in research study design usually refers to the tools used to measure aspects of the research question, for example a questionnaire is used in survey design and is said to have 'internal validity' if the questions ...

    Solution Summary

    Validity in research study design is examined.