Course Objectives: To provide an introduction to various approaches for analysing longitudinal survey data, including methods for handling complex surveys, weights and non-response; To enable participants to identify the important issues when analysing longitudinal survey data. Course Content: i) Issues when analysing longitudinal survey data; ii) Overview of approaches to analysing longitudinal survey data; iii) Population average (marginal) models; iv) Random effects models; v) Methods for categorical responses; vi) Handling complex survey designs, weights and non-response. Methods will be illustrated and compared using analyses of attitudes and life satisfaction scores collected in the British Household Panel Survey and regular computer sessions using STATA.