This article presents three studies, two of them longitudinal, which investigated the relations between age, processing speed, working memory (WM), and fluid intelligence (g f) from 4 to 16years of age. Structural equation ...

This article answers some of the criticisms and suggestions of the three commentaries. We showed, in agreement with Coyle, that (i) variability is indeed distinct from speed, (ii) they both additively reflect processing ...

This paper considers whether or not curriculum initiatives within England are in fact leading to qualitatively improved levels of thinking among children identified as lower achievers in arithmetic. Revisiting data from ...

This chapter summarizes a comprehensive theory of intellectual organization and growth. The theory specifies a common core of processes (abstraction, representational alignment, and cognizance, i.e., AACog) underlying ...

Studied how children solved a complex and knowledge-lean Crack-the-Code task using both product (accuracy and performance time) and protocol data (think aloud protocols). Participants were 8 children from 2 different grade ...

Reviews the book, Social Interaction and the Development of Knowledge by Jeremy I. M. Carpendale and Ulrich Müller (Eds.) (see record rid]2004-00110-000/rid]). This is an edited collection of papers that attempts to develop ...