1. Inquiring man: The psychology of personal constructs;Bannister,1980
2. Toward reform of program evaluation: Aims, methods and institutional arrangements;Cronbach,1980
3. The research act: A theoretical introduction to sociological methods;Denzin,1978
4. Effective evaluation: Improving the usefulness of evaluation results through responsive and naturalistic approaches;Guba,1981
5. Assumptions underlying evaluation models;House;Educational Researcher,1978