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09_22+Indexes+2+-+Ch6 - Sociology SYA4300 Professor Rob...

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1 Sociology SYA4300 Professor Rob White Thursday (9/22) Indexes 1 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Selecting items for Indexes/Scales 2 1. Validity: 3 Measures 1. Face 2. Content 3. Construct Convergent Discriminant 2. Unidimensionality pertaining to a single dimension of a concept. Dimension broadly defined: may have many “nuances”. ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Selecting items for Indexes/Scales 3 Ex: Medical doctors’ “scientific perspective” 1. “As a medical school faculty member, in what capacity do you feel you can make your greatest teaching contribution : as a practicing physician or as a medical researcher?” 2. “Would you say your ultimate medical interests lie primarily in the direction of total patient management or the understanding of basic mechanisms?” 3. “Are you generally more interest ed in articles reporting evaluations of the effectiveness of various treatments or articles exploring the basic rational underlying the treatments?” ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________
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