Use of the stick as a tool by young chimpanzees.

The goal-gradient hypothesis and maze learning.

C. L. Hull · Psychological Review · 1932 · 597 citations

Life Sciences, Behavioral Sciences, Psychology +14

The concept of the habit-family hierarchy and maze learning: Part II.

C. L. Hull · Psychological Review · 1934 · 260 citations

Public Health, Behavioral Sciences, Psychology +15

Effectiveness of token rewards for chimpanzees.

J. B. Wolfe · 1936 · 167 citations

Social Sciences, Behavioral Sciences, Psychology +10

Form Discrimination in Chimpanzees and Two-Year-Old Children: I. Form (Triangularity) <i>Per Se</i>

Louis W. Gellermann · The Pedagogical Seminary and Journal of Genetic Psychology · 1933 · 66 citations

Social Sciences, Behavioral Sciences, Psychology +7

Visual acuity and its relation to brightness in chimpanzee and man.

Kaye Spence · Journal of comparative psychology · 1934 · 51 citations

Medicine, Psychology, Vision Science +10