Effectiveness of token-rewards for chimpanzees
By: by John B. Wolfe.
Series: Comparative psychology monographs -- v. 12, no. 5, serial no. 60
Publisher: Johns Hopkins Press
Published: 1936
Place of publication: Baltimore
Language: eng
Number of pages: 72
Subjects: Chimpanzees; Animal intelligence; Pan troglodytes; Problem Solving; Psychology, Comparative
Notes: Cover title.