This book is the first edited volume to present multidisciplinary perspectives on various aspects of changes that humans experience. Relevant for empirical and theoretical work, the handbook will be of great interest to researchers, academics and postgraduate students across psychology, behavioral sciences and social sciences.

Kanako Taku is Professor in the Department of Psychology and Director of the Free-Form Tipping Point Lab (https://kanakotaku.com/) at Oakland University in Rochester, MI, USA.

Todd K. Shackelford is Professor and Chair of the Department of Psychology at Oakland University in Rochester, MI, USA, where he is also a co-director of the Evolutionary Psychology Lab (www.ToddKShackelford.com).

Introduction: Changes in Human Perceptions and Behaviors: Overview and Future Directions.
PART I: What Changes and How. 1. 'All Change is Not Growth, as All Movement is Not Forward': How, When, and Why Social Movements Change Over Time. 2. Changes in Religious Behaviors. 3. Changes in Assessments in Medical Settings. 4. Moral Injury and Changes to Perception in Self-Identity. 5. Changes in Voting and Elections. 6. Personality Development and Community Characteristics in Childhood and Adolescence. 7. Changes in Narrative Identity: Desistance of Antisocial Behavior and Posttraumatic Growth. 8. Fluctuations and Changes in Adolescent Personality: The Tri-Directional Framework of Parent and Offspring Traits and Outcomes. 9. Sustainable Lifestyle Change. PART II: When Change Occurs and How. 10. Things Change-But When?: A Top-Down Approach to Understanding How People Judge Change Thresholds. 11. From Insight to Growth: How the Quiet Ego Facilitates Decision Crystallization and the Transformative Self Turns It into Flourishing. 12. The Aha Moment: Changes in Cognition, Affect, Motivation, and Development. 13. Epiphanies and Quantum Change. 14. Differential Susceptibility to Various Environmental Influences: Theory, Research, and Practice. 15. Catastrophes and Social Change. PART III: How Changes are Made in Applied Settings. 16. Integrity, Flexibility, and Balance: How Change Works in Psychotherapy. 17. Changes in Emotional Disorders. 18. Why are health persuasive messages not always effective?. 19. Digital Coaching to Promote and Manage Change. 20. Applications of Multilevel Models to Assess Person-Level and Context-Level Influences on Change. 21. From Ignorance to Action on Climate Change. 22. Being an Influencer. 23. Aggressive Behavior as Mental Illness: History and Changing Models. 24. Changes in Perceived Future Time. 25. Changes in Attitudes. 26. Nonlinear Biopsychosocial Resilience: Self-Organization as the Basis for a Common Framework. 27. Contributions of narrative and emotional change processes in psychotherapy: Implications for clinical practice, training and research. PART IV: What Changes Mean to Humans. 28. Should We Change?: The Ethics of Human Enhancement. 29. Change in Religiosity. 30. Deconversion from High-tension Religious Groups. 31. Changes in Political Beliefs. 32. From Religious to Nonreligious/Areligious. 33. Temporal and Generational Changes in Religions, Politics and Society.