Being able to generalise findings to other settings.
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What is population validity?
Being able to generalise findings to other populations.
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What 4 ways can you assess validity?
Construct validity, face validity, concurrent validity, predictive validity.
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Define construct validity.
Where an assessment is made of whether a study really measure the 'construct' that it is supposed to be measuring.
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Define concurrent validity.
Where a new method is compared to an already established method known to work. If a positive correlation is found between the two then there is validity.
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Define face validity.
Where an expert looks at the research and confirms that it does measure what it claims to measure.
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Define predictive validity.
Refers to whether the findings will predict future results, as if they will then they have validity.
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What 4 things can improve internal validity?
Use measurements which are already established as having validity. Ensure studies are carefully controlled. Use single blind or double blind techniques.
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What 2 things can improve external validity?
Use everyday tasks which have realism. Use representative samples.
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Other cards in this set
Card 2
Front
Define internal validity.
Back
Internal validity is concerned with whether the effects seen in the DV is due to the IV. Concerned with what goes on within the study.
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