P284_Jan 25_Research design II

P284_Jan 25_Research design II - Political Research and...

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11 Research Design II January 25, 2008 Political Research and Analysis
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22 Major components of a research design According to KKV*, n The research question n The theory n The data n The use of the data * KKV—Gary King, Robert Keohane, & Sidney Verba’s Designing Social Inquiry .
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Propose a theory Propose a (set of) suitable explanation for the phenomenon under study q Theories generally are stated in a causal fashion. 33
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44 Proposing a theory (or an explanation) entails … Ø Ascertaining the dependent variable; Ø Identifying at least one independent variable; and Ø Specifying how and why the two variables are related.
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55 Some basic terminology n Hypothesis – A statement about empirical reality, involving a relationship between two or more variables. n Variable — A characteristic or property that can vary (take on different values or attributes).
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66 n Dependent variable ¨ A variable to be explained (the effect) ¨ Generally labeled “Y.” n Independent variable ¨ A possible cause ¨ Generally labeled “X.”
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P284_Jan 25_Research design II - Political Research and...

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