Conservation of number in very young children
Subtitle: a replication of and comparison with Mehler and Bever's study
By: Barbara B. Rothenberg and Rosalea G. Courtney
Contributors: Courtney, Rosalea
Series: Research bulletin Educational Testing Service -- 68-50; Research bulletin (Educational Testing Service) -- RB-68-50
Publisher: Educational Testing Service
Published: 1968
Place of publication: Princeton, N.J
Language: eng
Number of pages: 13
Subjects: Preschool children; Developmental psychology; Cognition in children
Notes: "October 1968."

Includes bibliographical references (p. 11).