Includes bibliographical references and index.

Introduction / Adam N. Joinson, Katelyn Y. A. McKenna, Tom Postmes, Ulf-Dietrich Reips -- Social interaction and the Internet : a comparative analysis of surveys in the US and Britain / Ronald E. Rice, Adrian Shepherd, William H. Dutton, James E. Katz -- Love letters : the development of romantic relationships throughout the ages / Monica Whitty -- Trust and social interaction on the Internet / Melanie C. Green -- Trust in mediated interactions / Jens Riegelsberger, M. Angela Sasse, John D. McCarthy -- Assessing interactivity in CMC research / Sheizaf Rafaeli, Yaron Ariel McCarthy -- Social psychology of interactivity in human-website interaction / S. Shyam Sundar -- Characterizing online groups / David P. Brandon, Andrea B. Hollingshead -- Social networks and online community / Caroline Haythornthwaite -- Online social support groups / Martin Tanis -- Psychology, discrimination and hate groups online / Karen M. Douglas -- The psychological dimensions of collective action, online / Tom Postmes -- Personality, individual differences and internet use / Yair Amichai-Hamburger -- Through the internet looking glass : expressing and validating the true self / Katelyn Y. A. McKenna -- Impression management and identity online / Andrea Chester, Di Bretherton -- Self-disclosure, privacy and the Internet / Adam N. Joinson, Carina B. Paine -- CMC and social identity / Russell Spears, Martin Lea, Tom Postmes -- Attitude change and social influence on the net / Kai Sassenberg, Kai J. Jonas -- Digital deception : why, when and how people lie online / Jeffrey T. Hancock -- Phantom emotions : psychological determinants of emotional experiences on the Internet / Azy Barak -- Internet use and abuse and psychological problems / Janet Morahan-Martin -- Examining the role of the Internet in health behaviour / Elizabeth Sillence, Pam Briggs -- Tokyo youth at leisure : online support of leisure outings / Diane J. Schiano, Ame Elliot, Victoria Bellotti -- The methodology of Internet-based experiments / Ulf-Dietrich Reips -- Designing Internet-based experiments / Michael H. Birnbaum -- Gathering data on the Internet : qualitative approaches and possibilities for mixed methods and research / Claire Hewson -- Context effects in Internet surveys : new issues and evidence / Jolene D. Smyth, Don A. Dillman, Leah M. Christian -- Personality testing on the Internet : what we know, and what we do not / Tom Buchanan -- Technical considerations when implementing online research / William C. Schmidt -- Using online panels in psychological research / Anja S. Göritz -- Internet research ethics / Charles Ess.