Comparison of reinforcer effectiveness in discrimation learning as a function of grade, sex, and preference.
Published: 1965
Place of publication: Minneapolis
Language: eng
Number of pages: 74
Notes: Thesis (Ph. D.)--University of Minnesota, 1965.

Bibliography: leaves 66-68.

Also available on microfilm.

Microfilm. Ann Arbor, Mich. : University Microfilms, 1966. 1 microfilm reel : positive.