Changes in primary mental abilities with age
By: by Mamie Phipps Clark.
Series: Archives of psychology -- no. 291.
Publisher: [s.n.]
Published: 1944
Place of publication: New York
Language: eng
Number of pages: 30
Subjects: Psychological tests.; Ability -- Testing.; Child development.
Notes: Issued also as thesis (PH.D.) Columbia university.

Bibliography: p.26.