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Comparative method
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The process by which different cases are compared in order to better understand their qualities, and to develop hypotheses, theories, and concepts.
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Methodology
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The systematic analysis of the methods used in a given field of enquiry. Also used to describe the body of methods used, or the means used to reach a particular set of conclusions.
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Unit of analysis
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The object of study in comparative politics.
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Level of analysis
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The level of study in comparative politics, ranging from the macro (political system) level to the micro (individual) level.
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Case study method
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A research method involving detailed study of a particular object and the context within which it exists.
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Qualitative method
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A research method based on studying a few cases within their natural setting, with an emphasis on values, opinions, behaviour, and context.
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Most similar system
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A research design based on using cases that are as similar as possible, in effect controlling for the similarities and isolating the causes of differences.
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Hypothesis
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A proposed explanation for a phenomenon that can be supported (confirmed) or refuted (falsified) through observation or experimentation.
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Variable
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A changeable feature, factor, quantity, or element.
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Dependent variable
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The factor or element we wish to explain.
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Independent variable
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The factor or element believed to influence the dependent variable. There are often many such variables.
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Most different system
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A research design based on using cases that are as different as possible, in effect controlling for the differences and isolating the causes of similarities.
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Quantitative method
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A research method using more cases, more variables, and attempting to explain political phenomena using statistical analysis.
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Correlation
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A relationship between two or more variables or attributes.
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Regression line
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The line of best fit in a scatter plot, summarizing the relationship between two variables.
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