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Title
Thirty years on--a large anti-Flynn effect? (II): 13- and 14-year-olds. Piagetian tests of formal operations norms 1976-2006/7.
Authors
Shayer, Michael; Ginsburg, Denise
Abstract
Shayer, Ginsburg, and Coe (2007) showed that children leaving primary school in Y6 entered secondary school with much lower levels of understanding of the physical conservations than in 1976. It seemed desirable to investigate cognitive development in the first three years of secondary education.
Publication
The British journal of educational psychology, 2009, Vol 79, Issue Pt 3, p409