Coming October 10th 2026
Coming to Amazon Print, Kindle, Google Books, and IBooks

The Psychology of Belonging offers an accessible exploration of how belonging develops, changes, and sometimes breaks down. Drawing on psychological research and the Ecological Identity Model (EIM), Curtis Peterson examines the individual, relationships, communities, institutions, and cultural narratives that shape our sense of place in the world.
Through research, reflection, and real-world examples, the book invites readers to recognize the conditions that support belonging and consider meaningful ways to build a more connected, equitable, and livable world-without ignoring the challenges that can stand in the way.
Preface
This book began with a research question, but the research question did not stay small.
For much of my career as a psychologist, I have been interested in loneliness, social identity, and the ways people understand themselves in relation to others. My dissertation examined whether making a shared social identity more prominent could influence reported loneliness among college students. It was a specific question requiring a specific study. But after the study was finished, I found myself increasingly interested in the questions surrounding it.
What does it mean to have a place among other people? Why can someone be surrounded by others and still feel profoundly alone? Why does recognition from one person matter more than approval from twenty others? What happens when a role, relationship, community, or place that once helped us know who we were is no longer available? And what responsibility do we have for the kinds of belonging we create for one another?
Those questions eventually became larger than the study that helped bring them into focus.
The Ecological Identity Model grew from my attempt to think about identity without separating the person from the relationships, institutions, cultural meanings, histories, and material conditions in which a life takes place. I offer the model in this book as a framework for inquiry, not as a finished explanation of human identity. Some of its propositions can be examined empirically. Others remain ideas that need further development, testing, criticism, and revision.
That distinction matters to me. Psychology has sometimes been too quick to turn observations from limited populations into statements about people everywhere. Much of the research available to us reflects only part of the range of human social experience. My own research does not escape that limitation simply because I am aware of it. Throughout this book, I have tried to distinguish what research can reasonably support from the broader questions the research has led me to ask.
I have also tried not to write a textbook. There are excellent scholarly traditions concerned with social identity, loneliness, attachment, relationships, culture, community, development, and the interaction between people and environments. They inform these pages, and I am indebted to them. But I wanted to write closer to ordinary life: the room we hesitate to enter, the friend whose messages become less frequent, the workplace where we know the job but not the unwritten rules, the role that ends before we are ready, and the small moment when someone remembers that we came.
These experiences interest me because identity is not something we carry untouched from one setting to another. We participate in relationships that reflect parts of us back. We enter institutions that make some ways of being easier than others. We inherit cultural stories about what a successful or acceptable person should become. We also interpret, resist, choose, contribute, withdraw, and change. The person and the surroundings remain in conversation.
I do not expect every reader to recognize themselves in every example. In fact, one of the arguments of this book is that no single account of belonging should become the standard against which every life is measured. Family, friendship, independence, responsibility, community, place, spirituality, work, and identity can carry different meanings across people and cultures. Where my examples fail to fit, I hope the questions remain useful enough for readers to supply experiences I could not have written for them.
This is also not a promise that belonging can always be repaired. Some relationships end. Some communities exclude. Some roles disappear. Some forms of belonging require too much from the people who receive them. Loneliness, grief, solitude, conflict, and change remain parts of human life. I do not want to turn belonging into another task at which people can believe they have failed.
What I hope to offer instead is a way of paying attention.
Look at the person but also look at the room. Notice the relationships, the expectations, the history, the barriers, and the openings. Notice what happens when someone contributes and what happens when they cannot. Notice who is expected, who must explain themselves, who can disagree, and whose absence is remembered. Notice, too, what you bring into those spaces and what your presence makes possible for someone else.
The chapters that follow are therefore both psychological and personal, though not every page is autobiographical. They represent the development of an argument and, in some places, the development of my own thinking. I have chosen not to hide that process behind the appearance of a theory that arrived fully formed. Questions changed as I followed them. Some distinctions became more important than I initially expected. Some answers produced better questions.
That seems appropriate for a book about belonging. We spend much of our lives learning where we fit, where we do not, what we are willing to change, what we should not have to surrender, and which relationships allow us to become more fully recognizable to ourselves and to others.
The first chapter begins with someone entering a room. Before we follow them inside, I want to make one promise about what follows: I will try not to decide too quickly what that person needs, what their hesitation means, or what a good life should look like for them.
I would rather begin with a question. So let us begin together …

About the Author
Curtis Peterson, PhD, is a social psychologist, educator, and author whose work has focused on identity, belonging, loneliness, and the environments in which people develop. His research on social identity and loneliness eventually grew into a broader interest in a deceptively simple question: What allows a person to experience a place, relationship, or community as somewhere they belong?
Over more than two decades of work in education, human services, prevention, and community settings, Peterson developed the Ecological Identity Model as a way of understanding the person not in isolation, but in relationship with other people, roles, institutions, communities, and culture. The Psychology of Belonging brings together that professional work with a more personal progression of ideas about connection, identity, and finding a place in the world.
He is the co-founder of Inspiring Lives LLC and continues to teach psychology and develop educational and professional resources focused on human development, connection, and well-being.
