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Shayer, Michael; Ginsburg, Denise; Coe, Robert – British Journal of Educational Psychology, 2007
Background: "Volume & Heaviness" was one of three Piagetian tests used in the CSMS survey in 1975/76. However unlike psychometric tests showing the Flynn effect--that is with students showing steady improvements year by year requiring tests to be restandardized--it appeared that the performance of Y7 students has recently been…
Descriptors: Psychometrics, Females, Males, Intelligence

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