A specific misconception of the equal sign acts as a barrier to children’s learning of early algebra. (English)
Learn. Individ. Differ. 38, 61-67 (2015).
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Fractions as percepts? Exploring cross-format distance effects for fractional magnitudes. (English)
Cogn. Psychol. 78, 28-56 (2015).
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Measure for measure: what combining diverse measures reveals about children’s understanding of the equal sign as an indicator of mathematical equality. (English)
J. Res. Math. Educ. 43, No. 3, 316-350 (2012).
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Learning science: Some insights from cognitive science. (English)
Sci. Educ. (Dordrecht) 9, No. 6, 507-535 (2000).
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Vector calculus. (English)
Springer, Berlin (ISBN 3-540-76180-2). 191 p. (1998).
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Problems with Piagetian constructivism. (English)
Sci. Educ. (Dordrecht) 6, No. 1-2, 105-119 (1997).
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Helping Students with Attention Deficit Disorder Succeed in a College Mathematics Class. (English)
Humanist. Math. Netw. J., No. 16, 24-25 (1997).
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