Janice developed a new measure of intelligence. she then tested two groups of people. one of the groups scored low on existing iq tests and the other scored very high. those who scored low on old tests usually scored low on her new test; those who scored very high on old tests usually scored high on the new test. her new measure has:
a) concurrent validity.
b) face validity.
c) content validity.
d) internal validity.
e) statistical validity.

A. Concurrent validity            

Explanation:

Concurrent validity- It refers to the degree to which the results of a specific measurement or test corresponds to those of a formerly established test or measurement for the same construct. This is mostly used in education, social sciences, and psychology.

Example: The researcher gives students the latest test, designed to solve mathematical questions. After that, they compared the test scores already done by the school, a reliable and recognized judge of mathematical ability.

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