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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Secular gains in intelligence test scores have perplexed researchers since they were documented by Flynn (1984, 1987), but few have attempted to understand them as a cognitive phenomenon. Gains are most pronounced on seemingly "culture...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
