POL 51 - POL51SS1 13:50 6/29 GatheringData...

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POL 51 SS1 13:50 6/29 Gathering Data Observational studies Document Analysis Experiments Surveys Formal Models Qualitative vs. Quantitative Qualitative: analyses without numerical manipulation o Quotations, anecdotes, case studies, etc. o Using statements drawn from interview or surveys Quantitative: analyses with numbers o Statistics o Coding responses to surveys and using the number codes in statistical  analyses Choosing a Data Collecting Method Validity of measures o Will the chosen method allow you to measure the concept? Reactivity of data collection method o Will observation alter behavior? Population of interest Why Experiments? To state X causes Y, ideal research eliminates other possible causes
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Experiments offer a way to better isolate causality by allowing the researcher  to control these other factors Key Points Investigator retains control
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POL 51 - POL51SS1 13:50 6/29 GatheringData...

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