This text introduces linear regression, the fundamental statistical model used in quantitative social research. Grounded in real-world data and full of illuminating graphs, it covers both the theory and application of linear regression, giving you the practical knowledge and skills you need to successfully use statistical models in your own research. It offers guidance on: Understanding simple and multiple linear regression, Techniques for choosing the most appropriate model for your data, Modelling interactions and using dummy variables, Checking model assumptions and transforming variables, Part of The SAGE Quantitative Research Kit, this book will give you the know-how and confidence needed to succeed on your quantitative research journey. Book jacket.