PS102Lecture11 - PS102 Lecture11 summaries...

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PS 102 Introduction to Political Inquiry Lecture 11
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Quantitative analysis: Observes a large number of comparable numerical  summaries Uses statistical analysis to make comparisons Qualitative analysis: Observes a variety of non-numerical evidence Quotations, comments, anecdotes, etc. Logic of causal inference is the same between the  two methods Same threats of spuriousness, endogeneity, etc. Methods are often combined in one study 
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Logic of inference is the same at “matching”  analysis Find cases that have same value on “control” variables,  but differ on “treatment” Some potentially greater difficulties Few cases of data and many controls to match Reduce focus to the “key controls” Parsimony or misspecification? Example: Robert Pape – “Bombing to Win”
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Hypothesis generating case studies “soaking and poking” Crucial case studies Analyst uses outside knowledge to demonstrate that  case is “crucial” to a theory Deviant case analysis Use misprediction of statistical model to develop or  modify theory Illustrative case study Describes operation of theory that is tested with  quantitative evidence
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  • Spring '11
  • Gelpi
  • observation change behavior, richly varied observation, Illustrative case study, potentially greater difficulties, Hypothesis generating case

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