HackerWhy our IQ levels are higher than our grandparents' | James Flynn
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Further reading 1
Caption notes
James Flynn uses classification and hypothetical reasoning tasks to interpret changes in test performance. His account connects changes in schooling and work to familiarity with particular forms of abstraction.
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introducing abstractions that we try to make logically consistent, and also taking the hypothetical seriously,So the tenor of education has changed. We are educating people to take the hypothetical seriously, to use abstractions, and to link them logically.