Leon Festinger’s 1957 A Theory of Cognitive Dissonance is a key text in the history of psychology – one that made its author one of the most influential social psychologists of his time. It is also a prime example of how creative thinking and problem solving skills can come together to produce work that changes the way people look at questions for good. Strong creative thinkers are able to look at things from a new perspective, often to the point of challenging the very frames in which those around them see things. Festinger was such a creative thinker, leading what came to be known as the “cognitive revolution” in social psychology. When Festinger was carrying out his research, the dominant school of thought – behaviorism – focused on outward behaviors and their effects. Festinger, however, turned his attention elsewhere, looking at “cognition:” the mental processes behind behaviors. In the case of “cognitive dissonance”, for example, he hypothesized that apparently incomprehensible or illogical behaviors might be caused by a cognitive drive away from dissonance, or internal contradiction. This perspective, however, raised a problem: how to examine and test out cognitive processes. Festinger’s book records the results of the psychological experiments he designed to solve that problem. The results helped prove the existence for what is now a fundamental theory in social psychology.

Originally published: Evanston, Ill.: Row, Peterson, c1957.

′Dr. Joel Cooper has been at the very forefront of research on dissonance theory for decades now. In this book, he provides a brilliant and engagingly-written review of the 50-year history of dissonance research and a masterful account of the ensuing developments in the theory. The book will be an outstanding resource for readers familiar with dissonance research and an enlightening introduction for those who are not′ - Professor Russell H. Fazio, Ohio State University Why is it that people who smoke continue to do so knowing how bad it is for them? What drives people to committing adultery even though they inherently believe this is wrong? What′s the outcome of this contradiction in the mind? Cognitive dissonance has been an important and influential theory since Leon Festinger published his classic work in 1957. It is known by every social psychologist, most psychologists of any stripe, and the lay public, making its way into such mainstream publications as The New York Times with increasing frequency and accuracy. Ultimately, dissonance has become one of the most popularly known expressions of social psychological insights, making its way into the literature in consumer, health and economic behavior, and has become a frequently used explanation of political behavior in the popular press and magazines. In marking the 50th anniversary of the theory′s inception, Joel Cooper - arguably the scholar most associated with dissonance research in the past few decades - has presented a beautiful, modern and comprehensive analysis of the state of dissonance theory. This book charts the progress of dissonance theory, assessing its impact not only within our understanding of psychology but in everyday experiences as well. It should be important reading for students in social psychology, either undergraduate or graduate, but equally relevant to a host of other readers who need to understand or share the same passions for appreciating the significance of cognitive dissonance in the human psyche.

Leon Festinger’s 1957 A Theory of Cognitive Dissonance is a key text in the history of psychology – one that made its author one of the most influential social psychologists of his time. It is also a prime example of how creative thinking and problem solving skills can come together to produce work that changes the way people look at questions for good. Strong creative thinkers are able to look at things from a new perspective, often to the point of challenging the very frames in which those around them see things. Festinger was such a creative thinker, leading what came to be known as the “cognitive revolution” in social psychology. When Festinger was carrying out his research, the dominant school of thought – behaviorism – focused on outward behaviors and their effects. Festinger, however, turned his attention elsewhere, looking at “cognition:” the mental processes behind behaviors. In the case of “cognitive dissonance”, for example, he hypothesized that apparently incomprehensible or illogical behaviors might be caused by a cognitive drive away from dissonance, or internal contradiction. This perspective, however, raised a problem: how to examine and test out cognitive processes. Festinger’s book records the results of the psychological experiments he designed to solve that problem. The results helped prove the existence for what is now a fundamental theory in social psychology.

Why do we attempt to justify decisions that are clearly irrational? The answer lies in "cognitive dissonance," the feeling of mental discomfort we experience when we hold two contradictory beliefs at the same time.

The study reported in this volume grew out of some theoretical work, one phase of which bore specifically on the behavior of individuals in social movements that made specific (and unfulfilled) prophecies. We had been forced to depend chiefly on historical records to judge the adequacy of our theoretical ideas until we by chance discovered the social movement that we report in this book. At the time we learned of it, the movement was in mid-career but the prophecy about which it was centered had not yet been disconfirmed. We were understandably eager to undertake a study that could test our theoretical ideas under natural conditions. That we were able to do this study was in great measure due to the support obtained through the Laboratory for Research in Social Relations of the University of Minnesota. This study is a project of the Laboratory and was carried out while we were all members of its staff. We should also like to acknowledge the help we received through a grant-in-aid from the Ford Foundation to one of the authors, a grant that made preliminary exploration of the field situation possible.

This volume describes advances in the theory of cognitive dissonance, from its origination in 1954 to the present day.

Traces developments in human psychology over the course of the twentieth century, beginning with B. F. Skinner and the legend of the child raised in a box.

Leon Festinger's forty-year scrutiny of that "curious animal, the modern human being" fundamentally transformed psychological thinking and shaped an entire scientific field, that of social psychology. The twenty-four papers brought together for the first time in Extending Psychological Frontiers encompass the classic contributions and critical turning points of Festinger's long career. Spanning the post-war decades, this unprecedented volume reveals the full scope, diversity, and import of Festinger's work. Its thematic arrangement clarifies the complex network of problems that preoccupied Festinger and the unique imaginative style that characterized his intellect. Whether examining the voting behavior of Catholics and Jews, the meaning of minute eye movements, the decisions of maze-running rats, or the proselytizing behavior of cultists, Festinger consistently transcended the traditional bounds of the discipline. His theory of cognitive dissonance, which describes how people attempt to resolve the tensions that result when they hold simultaneously two inconsistent beliefs, challenged preexisting psychological theories and produced more important ideas and experimentation than any other development in social psychology. Major writings on group dynamics, decision making, and perceptual processes further underscore the impact of Festinger's research not only on psychology, but also on a wide range of intellectual fronts, from literary theory to ethnology and from historical studies to contemporary political analysis. Extending Psychological Frontiers is an invaluable resource, providing a comprehensive and coherent picture of an extraordinary body of work.

The contributions to this volume capture the thrill of current work on social influence, as well as providing a tutorial on the scientific and technical aspects of this research. The volume teaches the student to: Learn how to conduct lab, field and case research on social influence through example by leading researchers Find out about the latest discoveries including the status of research on social influence tactics, dissonance theory, conformity, and resistance to influence Discover how seemingly complex issues such as power, rumors, group and minority influence and norms can be investigated using the scientific method Apply knowledge to current influence campaigns to find out what works and what does not. The Science of Social Influence is the perfect core or complementary text for advanced undergraduate or graduate students in courses such as Attitudes and Attitude Change, Communications, Research Methods and, of course, Social Influence.