1. Judging staff competence in day care;Clifford;Canadian Welfare,1975
2. An overview of Canadian day care services;Clifford,1969
3. Questionnaire design and attitude measurement;Oppenheim,1966
4. Construction and validation of a nutrition test;Préfontaine;Journal of Nutrition Education,1975
5. The certainty method: Its application and usefulness in developing empirical measures in social sciences, Preliminary report;Warren,1969