The integrated theory of numerical development posits that a central theme of numerical
development from infancy to adulthood is progressive broadening of the types and ranges of …

Do children learn number words by associating them with perceptual magnitudes? Recent
studies argue that approximate numerical magnitudes play a foundational role in the …

Our understanding of how the human brain performs mathematical calculations is far from
complete, but in recent years there have been many exciting breakthroughs by scientists all …

This article proposes an integrated theory of acquisition of knowledge about whole numbers
and fractions. Although whole numbers and fractions differ in many ways that influence their …

Abstract [Correction Notice: An Erratum for this article was reported in Vol 48 (5) of
Developmental Psychology (see record 2012-11771-001). The grey boxes around the faces …

Developmental dyscalculia is a learning disability that affects the acquisition of knowledge
about numbers and arithmetic. It is widely assumed that numeracy is rooted on the “number …

The onus on the average person is greater than ever before to make sense of large amounts
of readily accessible quantitative information, but the ability and confidence to do so are …

We present a new model for the general study of how the truth and biases affect human
judgment. In the truth and bias model, judgments about the world are pulled by 2 primary …

Developmental dyscalculia (DD) is a specific learning disability that affects the acquisition of
mathematical skills in children with normal intelligence and age-appropriate school …

In this study, the performance of typically develo** 6-to 8-year-old children on an
approximate number discrimination task, a symbolic comparison task, and a symbolic and …