1. Peer selection vs. expert judgment as a means of validating a teacher morale measuring instrument;Bentley;Journal of Experimental Education,1963
2. Purdue teacher opinionaire;Bentley,1980
3. Introduction to qualitative research methods;Bogdon,1975
4. Factors related to teacher morale in three junior high schools;Brinkman,1966
5. Relating pupil achievement gains to ratings of secondary student teachers' performance;Capie,1980