Co-instructor Prof. Alexander H. Trechsel. Students are guided through the fundamental social science research designs, including the comparative, the statistical, and the experimental method. Class discussions develops around the key topics of inference and measurement, to take students to appreciate the full potential of quantitative methods for descriptive, predictive and causal inference. Key problems such as endogeneity, measurement error, and selection bias are also presented and discussed. The course includes applied sessions where students familiarise with statistical methods using R.