The mismatch between gesture and speech as an index of transitional knowledge

The Repertoire of Nonverbal Behavior: Categories, Origins, Usage, and Coding

Paul Ekman, Wallace V. Friesen · Semiotica · 1969 · 3.3K citations

Social Sciences, Communication, Social Psychology +12

The Child's Conception of Number

E. A. Peel, J. Piaget · British Journal of Educational Studies · 1953 · 1.8K citations

Education, Human Development, Child Development +7

Three aspects of cognitive development

Robert S. Siegler · Cognitive Psychology · 1976 · 684 citations

Education, Human Development, Psychology +12

Developmental Sequences within and between Concepts

Robert S. Siegler, Sidney Strauss, Iris Levin · Monographs of the Society for Research in Child Development · 1981 · 584 citations

Education, Psychology, Child Development +10

Speech, Place, and Action

Mark Steedman · 1982 · 534 citations

Language Studies, Human Geography, Linguistics +10