Stimulus variation and repetition in the acquisition of naming responses.

Multiple versus single problem training in human problem solving.

1954 • 45 citations

Learning Sets in Human Concept Formation

1955 • 35 citations

The effect of variation in specific stimuli on memory for their superordinates.

1966 • 30 citations

Concept identification as a function of intra- and interdimensional variability.

1961 • 20 citations

Effects upon verbal learning of stimulus similarity, number of stimuli per response, and concept formation

1963 • 16 citations

Retention of responses to stimulus classes and to specific stimuli.

1960 • 13 citations

A comparison between rote learning and concept formation.

1958 • 13 citations

Effect of amount of pretraining with identical and dissimilar stimuli on concept learning.

1966 • 2 citations