Individual differences in the measurement of early cognitive growth
By: Michael Lewis
Series: Research bulletin -- 70-9; Research bulletin (Educational Testing Service) -- RB-70-9
Publisher: Educational Testing Service
Published: 1970
Place of publication: Princeton, New Jersey
Language: eng
Number of pages: 70
Subjects: Cognition; Child development
Notes: "February 1970."

Includes bibliographical references (leaves 54-66).