How Smart Are Intelligence Tests?
Tests that claim to measure intelligence are everywhere—online, in your favorite magazine, at job interviews, and in many elementary and secondary schools. But can all of these tests be trusted? The results of an intelligence test aren’t meaningful unless the test is valid, reliable, and fair. But what do those concepts mean, and how can we be sure whether a test is valid, reliable, or fair—let alone all three? Let’s take a look.
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