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Threats to Test Validity

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Using the correct standardization group is very important! The researchers select what is called a "stratified" random sample from several locations: urban, rural, metropolitan, etc. Researchers make sure that a certain number of examinees are from each subgroup. Their raw scores are then averaged to create the norm of the test. I have seen a few tests use completely different norms between countries and report those norms in the same test manual. I have never felt that those norms were reliable.

What other threats to the validity of tests could there be?

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https://brainmass.com/psychology/assessing-and-diagnosing-abnormality/threats-to-test-validity-577548

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An important threat to the validity of tests is not testing the research subjects or sample under the same conditions. This is due to the fact that testing one group under ...

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This solution describes threats to psychological test validity.

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Examining Internal Validity Test

Give the 36 descriptions of studies in this link (http://psych.athabascau.ca/html/Validity/frames.html) that may or may not have a problem with internal validity. Your task is to determine whether or not the study has a problem. If it does not have a problem, select "this experiment is internally valid." If it does have a problem, select the appropriate threat to internal validity from the provided list.

Out of the 36 descriptions, how accurate were you in identifying whether there was a problem or not? Did this exercise help you in determining if there was a problem? Did the exercise help you in determining what the problem was?

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