Learning and operational convergence in logical thought development

The Psychology of Intelligence.

Anselm Strauss, Jean Piaget, M. Piercy et al. · American Sociological Review · 1951 · 2.1K citations

Education, Behavioral Sciences, Psychology +7

Verbal mediation as a function of age level.

Hayne W. Reese · Psychological Bulletin · 1962 · 265 citations

Education, Human Development, Psychology +11

A Study of the Development of the Number Concept by Scalogram Analysis

Joachim F. Wohlwill · The Journal of Genetic Psychology · 1960 · 145 citations

Education, Psychology, Statistics +4

THE ACQUISITION OF CONSERVATION OF SUBSTANCE AND WEIGHT IN CHILDREN

Jan Smedslund · Scandinavian Journal of Psychology · 1961 · 131 citations

Public Health, Behavioral Sciences, Psychology +8

EXPERIMENTAL ANALYSIS OF THE DEVELOPMENT OF THE CONSERVATION OF NUMBER1

Joachim F. Wohlwill, Roland C. Lowe · Child Development · 1962 · 110 citations

Education, Human Development, Psychology +11