Multilevel Modeling

With growing statistical software package costs, more researchers are using R than ever before. This book allows researchers to do more when using R. -- Gina R. Gullo * Review * The book offers insights and explanations from which both newcomers and seasoned experts can find benefit. -- Timothy Ford * Review * Because of the author's pedagogically masterful presentation of multi-level modeling, the otherwise challenging journey to this topic now becomes not only smooth but also enjoyable. -- Lin Ding * Reviewer * This is a very well-written and organized book. The author uses practical examples to help the readers understand the reasoning and steps of a complex statistical approach. I have used the first edition of this book in my class, and definitely plan on using the second edition too. This is a book that I would highly recommend to clinical researchers who are interested in learning multilevel modeling. -- Dorina Kallogjeri * Review * Multilevel Modeling provides a thorough and accessible introduction to multilevel models. Through extensive examples, the author expertly guides the reader through the material addressing interpretation, graphical presentation, and diagnostics along the way. -- Jennifer Hayes Clark * review * The new second edition is even better than the first. The models presented are closely linked to an extended example that students can readily identify with. -- Richard R. Sudweeks * Review *