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Dassa, Clement; Lambert, Jean; Blais, Regis; Potvin, Diane; Gauthier, Natalie – Canadian Journal of Program Evaluation/La Revue canadienne d'evaluation de programme, 1997
Whether a middle alternative in the response choices to a questionnaire influences the reliability and validity of survey responses was studied with 1,390 physicians, nurses, and midwives. Including a neutral option had little effect on overall reliability and validity, but allowed better coherence when items were considered globally. (SLD)
Descriptors: Attitude Measures, Nurses, Obstetrics, Opinions