An empirical study of verbal, numerical, and spatial factors in mental organization
By: [by] Isidor Chein ...
Publisher: The Principia press, inc.
Published: 1939
Place of publication: Bloomington, Ind.]
Language: eng
Number of pages: 94
Subjects: Ability; Testing
Notes: Vita.

"Offprinted from the Psychological record, 1939, 3."

Cover-title.

Thesis (PH. D.)--Columbia university, 1939.

Bibliography: p. 91-92.