Difficulty of a discrimination as a determiner of subsequent generalization along another dimension.

On a Test of Whether one of Two Random Variables is Stochastically Larger than the Other

1947 • 12,091 citations

The Behavior of Organisms

1938 • 3,256 citations

A quantitative comparison of the discriminative and reinforcing functions of a stimulus.

1950 • 133 citations

An Analysis of an Operant Discrimination

1948 • 34 citations

Stimulus generalization following different methods of training.

1955 • 28 citations