This course introduces methods and techniques of scientific inquiry in political science. Main topics include the logic and vocabulary of scientific inquiry ("theories," "models," "concepts," "hypotheses," etc.); conceptualization and measurement of political phenomena; principles of research design; alternative methods of collecting data, with an emphasis on sample surveys and polls; computer-based graphical and statistical techniques of describing, analyzing and mapping data; the logic of hypothesis testing and statistical inference; how to prepare tables and graphs; how to write a cogent, readable research report.