BolgerNiall Bolger

Niall Bolger, Ph.D., is Professor of Psychology and former Chair of the Department of Psychology at Columbia University, where he teaches courses on social relationships, linear statistical models, and longitudinal data analysis.


Professor Bolger’s main research interests include (a) adjustment processes in close relationships, which he studies using intensive longitudinal methods and laboratory-based studies of dyadic behavior, emotion and physiology, (b) personality processes as they are revealed in patterns of behavior, emotion, and physiology in daily life, and (c) statistical methods for analyzing longitudinal and multilevel data.

Bolger is a Charter Member and Fellow of the Association for Psychological Science, a Fellow of the Society of Experimental Social Psychology and of the Society for Personality and Social Psychology, and a member of the Society for Multivariate Experimental Psychology. He has served on National Institutes of Health and National Science Foundation grant review panels, and as Associate Editor of the Journal of Personality and Social Psychology: Interpersonal Relations and Group Processes. He has taught numerous methodological workshops at various academic institutions. Details of his background and publications can be found here.

Bolger is co-author of Intensive Longitudinal Methods: An Introduction to Diary and Experience Sampling Research (2013, Guilford Press). A complete, practical guide to planning and executing an intensive longitudinal study, this book provides the tools for understanding within-subject social, behavioral, and psychological processes in everyday contexts. Several end-of-chapter write-ups illustrate effective ways to present study findings for publication. Datasets and output for the examples are available for readers’ use at the companion website.

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