Enjoying mathematics or feeling competent in mathematics? Reciprocal effects on mathematics achievement and perceived math effort expenditure

Pinxten, Maarten ; Marsh, Herbert W. ; De Fraine, Bieke ; Van Den Noortgate, Wim ; Van Damme, Jan

British journal of educational psychology, 2014-03, Vol.84 (1), p.152-174 [Periódico revisado por pares]

Leicester: Blackwell Publishing Ltd

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