MEANING
The degree to which a study’s design supports a credible conclusion about effects within the studied conditions.
Use it for
Evaluate whether a study’s design supports its own conclusion.Use in research critique to assess whether a study’s design supports its stated conclusion.
Words that belong together
- threat to internal validity
- strengthen internal validity
- internal validity of a study
On the page
Unmeasured changes between groups weakened the study’s internal validity.
Word forms
- Base
- internal validity
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Usage notes
Internal validity concerns whether results support a sound conclusion under the study conditions; external validity concerns how well findings transfer elsewhere.
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