The predictive validity of General aptitude tests decrease because Students with higher education tend to have a narrower range of aptitude test results.
Technical characteristics of a test, such as test validity and reliability, reveal the test's efficacy and dependability. The two most crucial aspects of an exam are these two. When deciding if the test is appropriate for your usage, you should look at these qualities.
When a test assesses a trait, its reliability is how regularly or dependably it does so. A test is considered to assess a trait reliably if it produces comparable results for a subject who retakes it.
The degree to which measurement mistakes do not significantly alter test results is a sign of the test's dependability.
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