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PoliSciCh14

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Question
Answer
Control by grouping   A form of statistical control in which observations identical or similar to the control variable are grouped together  
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Dummy variable   A hypothetical index that has just 2 values: o for the presence (or absence) of a factor and 1 for its absence (presence)  
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Interaction   The strength and direction of a relationship depend on an additional variable or variables  
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Linear probability model   Regression model in which a dichotomous variable is treated as the dependent variable  
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Logistic regression   A nonlinear regression model that relates a set of explanatory variables to a dichotomous dependent variable  
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Logistic regression coefficient   A multiple regression coefficient based on the logistic model  
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Multiple repression analysis   A technique for measuring the mathematical relationships between more than one independent variable and a dependent variable while controlling for all other independent variables in the equation  
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Multiple regression coefficient   A number that tells how much Y will change for a one unit change in a particular independent variable, if all other variables in the model have been held constant  
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Partial regression coefficient   A number that indicates how much a dependent variable would change if an independent variable changed one unit and all other variables in the equation or model were held constant  
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Regression constant   Value of the dependent variable when all the values of the independent variables in the equation equal zerio  
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