"Hypotheses" versus "chance" in the pre-solution period in sensory discrimination-learning 
By: by I. Krechevsky.
Series: University of California publications in psychology.; v. 6, no. 3
Publisher: University of California press
Published: 1932
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 44
Subjects: Animal intelligence.
Notes: Issued in single cover with v. 6, no. 4 of the series.
"Literature cited": p.44.