The effects of an interdependent group-oriented contingency on middle school students' physical activity levels during physical education
By: by Joel M. Schuldheisz.
Published: 1997
Language: eng
Number of pages: 183
Subjects: Physical education for children.; Middle school students.
Notes: Typescript (photocopy)

Thesis (Ph.D.)--Oregon State University, 1998.

Includes bibliographical references (leaves 130-143).