The fact that people who performed well (or poorly) on individual tests that purported to assess intelligence tended to perform similarly on other tests, even if their content was seemingly unrelated was named

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The positive manifold refers to the finding that individuals who perform well or poorly on one type of test that measures cognitive abilities tend to perform similarly on other types of tests, indicating a general intelligence factor or "g" that underlies all cognitive abilities. The Pygmalion effect refers to the phenomenon where others' expectations of an individual can impact their performance, while the Flynn effect refers to the increase in average IQ scores over time.

The Fact That People Who Performed Well (Or Poorly) on Individual