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Date of Award


Document Type


Degree Name

Doctor of Education (Ed.D.)



First Advisor

Herschel Frye

First Committee Member

Pedro Osuna

Second Committee Member

Carl D. Lang

Third Committee Member

Emerson G. Cobb

Fourth Committee Member

Alfred Kraus


In order to give the laboratory-centered course a trial run and to compare it with a lecture-centered course it seemed necessary to the author that both courses should be taught and compared. The latter gave rise to the following hypotheses:

  1. Students in a laboratory-centered general chemistry course show more favorable attitudes toward chemistry than do students in a lecture-centered course.
  2. Students in a laboratory-centered course show as good a subject-matter mastery as students in a lecture-centered course.