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Difference in Internal and External Validity

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Define and explain both 'internal validity' and 'external validity' and give an example for each.

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Solution Summary

This solution discusses the difference between internal validity and external validity. It also provides examples and references for both internal validity and external validity.

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Internal Validity is an inference made regarding cause and effect relationships. This type of "validity" has -0- generalizability as it is not relevant to being replicated outside what you are determining. You would use this type of validity in determining if a specific program you are using is working. For example, if you wanted to determine if your ...

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