Was there a difference between intelligence and achievement tests 80 years ago?
Today’s passage touched briefly on the overlapping development of intelligence and achievement tests early in the 20th century. Most of the historiography has focused on so-called IQ tests, their flaws, and their political uses. But at the same time that school districts were purchasing millions of IQ tests, they were also purchasing millions of the early achievement tests in academic subjects as well as the early achievement batteries. Lewis Terman had a heavy hand in prominent tests on both sides (the Stanford-Binet Intelligence Test and the Stanford Achievement Tests), and I wonder whether there is much evidence that school districts saw a difference between the two in the 1920s and 1930s. Chris Mazzeo’s 2001 article in Teachers College Record documents the uses of testing for guidance purposes in the first half-century of standardized testing, and that could use either IQ or achievement tests. Aggregate achievement test results were reported for what one might call quasi-evaluative
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- Was there a difference between intelligence and achievement tests 80 years ago?
