Thinking processes at various levels of difficulty
Subtitle: a quantitative and qualitative study of individual differences
By: by S. Stansfeld Sargent ...
Series: Archives of psychology -- no. 249
Published: 1940
Place of publication: New York
Language: eng
Number of pages: 58
Subjects: Thought and thinking; Difference (Psychology)
Notes: Issued also as thesis (PH. D.) Columbia university.

Bibliography: p. 57-58.