Delayed reward in discrimination learning by chimpanzees
By: Austin H. Riesen ...
Series: Comparative psychology monographs -- v. 15, no. 5, serial no. 77
Publisher: The Johns Hopkins press
Published: 1940
Place of publication: Baltimore, Md
Language: eng
Number of pages: 54
Subjects: Pan troglodytes; Problem Solving; Psychology, Comparative; Chimpanzees; Animal intelligence
Notes: "Published with the aid of the Rosalia Abreu memorial fund of the Yale laboratories of primate biology."

"An abridgement of a dissertation presented to the faculty of the Graduate school of Yale university in candidacy for the degree of doctor of philosophy [1939]"

"References": p. 51-54.