Off-Campus Access: Athens ID and Password Required
On-Campus Access: No User ID or Password Required

Off-Campus Access: Athens ID and Password Required
On-Campus Access: No User ID or Password Required

On-Campus Access Only (IP based access)

Proceedings of a symposium held at the University of California at Los Angeles Dec. 13-15, 1967.
Sponsored by the UCLA Research and Development Center for the Study of Evaluation and the Ford Foundation's Fund for the Advancement of Education.