A comparison of three methods of teaching elementary school science involving programmed learning
By: [by] William D. Hedges [and] Mary Ann MacDougall.
Contributors: MacDougall, Mary Ann joint author.; University of Virginia
Publisher: University of Virginia
Published: 1965
Place of publication: Charlottesville, Va
Language: eng
Number of pages: 124
Subjects: Science -- Study and teaching (Elementary); Programmed instruction.
Other titles: Three methods of teaching elementary school science involving programmed learning.
Notes: Bibliography: leaves 121-123.
"Cooperative research project no. 1972."
"Research ... supported by the Cooperative Research Program of the [U. S.] Office of Education."