References
- O'Donnell , Richard W. 1968 . “Proposed Revision of the Admission to Teacher Education Policy of the University of Maryland.” . University of Maryland . Unpublished Doctoral dissertation
- Barr , A. S. 1948 . “The Measurement and Prediction of Teacher Efficiency: A Summary of Investigation.” . Journal of Experimental Education , XVI June : 203 – 283 .
- _____ . 1061 . The Measurement and Prediction of Teacher Effectiveness , Madison, Wisconsin : Duiubar Educational Services, Inc. .