27 Jan Lecture Notes

27 Jan Lecture Notes - Reading For Friday 29 January 2010...

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Reading For Friday 29 January 2010 -Bandura at el: skip page 9 and first half of 10 -Gerber et al: Skim “Results” Section 27 January 2010 Lecture Experimental Methods 3. Nonspuriousness (Cont’d from last lecture) There are no plausible alternative explanations for the observed relationship Control for confounding variables (def: extraneous variables) (z) X Z Y o Remove confounding factors form study experiment o Compare populations with identical confounding factors o Statistically control for confounding factors Statistical Control of Confounding Variables Degree of association between two random variables, with the effect of a set of controlling random variables removed “Control for”, “hold constant”, “conditional on” Methods o Partial Correlation o Multiple Regression Y=a + BxX +BzZ + E Deductive Model of Research (Babbi) 1. Theory Construction 2. Derivation of theoretical hypotheses 3. Operationalization of concepts 4. Collection of empirical data
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27 Jan Lecture Notes - Reading For Friday 29 January 2010...

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