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A researcher developed a new intelligence test for elementary school children. however, the researcher fears that the scores from the test may actually be measuring the children's reading ability. to show that the test is really measuring intelligence and not reading ability, the researcher must demonstrate ________ validity.

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I believe the answer is: Discriminant

Discriminant validity refers to the test that is used to find the factors that seem to be affecting the outcome of the test on the surface but actually not so.  A successful evaluation of discriminant validity would ensure that the type of test that the researchers give is an appropriate measurement of the things that intended by the researchers.

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