Studies in secondary reinforcement: I. Secondary reinforcement as a function of the frequency of primary reinforcement.

Principles of Behavior

B. F. Skinner, Clark L. Hull · The American Journal of Psychology · 1944 · 4.1K citations

The relation of secondary reinforcement to delayed reward in visual discrimination learning.

G. Robert Grice · Journal of Experimental Psychology · 1948 · 310 citations

Social Sciences, Behavioral Sciences, Psychology +14

Effectiveness of token rewards for chimpanzees.

J. B. Wolfe · 1936 · 167 citations

Social Sciences, Behavioral Sciences, Psychology +10

Extinction with and without sub-goal reinforcement.

Richard Bugelski · Journal of comparative psychology · 1938 · 91 citations

Public Health, Behavioral Sciences, Psychology +10

Maze learning in the absence of primary reinforcement: a study of secondary reinforcement.

Irving J. Saltzman · Journal of Comparative and Physiological Psychology · 1949 · 86 citations

Public Health, Behavioral Sciences, Psychology +13