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Mistakes Were Made (But Not by Me): Why We Justify Foolish Beliefs, Bad Decisions, and Hurtful Acts

Tavris, C., & Aronson, E. (2007)

APA Citation

Tavris, C., & Aronson, E. (2007). Mistakes Were Made (But Not by Me): Why We Justify Foolish Beliefs, Bad Decisions, and Hurtful Acts. Harcourt.

Summary

Social psychologists Tavris and Aronson examine self-justification—the mental mechanisms that prevent people from admitting mistakes, changing course, or accepting responsibility. Building on cognitive dissonance theory, they show how self-justification operates across domains: personal relationships, politics, science, law enforcement, psychotherapy. The core insight: after making a choice or commitment, the mind works to justify it, making us increasingly certain we were right even as evidence accumulates that we were wrong. This explains everything from why couples can't resolve conflicts to why innocent people confess to crimes.

Why This Matters for Survivors

This book illuminates both the narcissist's psychology and your own. Narcissists are extreme self-justifiers—incapable of admitting wrong, forever constructing narratives of their own rightness. But you also engaged in self-justification: explaining away red flags, maintaining belief in the relationship, justifying staying. Understanding these universal mechanisms reduces shame while explaining how intelligent people—including you—can maintain beliefs that aren't serving them.

What This Work Establishes

Self-justification is universal. Everyone justifies their beliefs, choices, and actions—especially when evidence suggests error. This isn’t conscious deception but automatic mental process preserving self-image.

Commitment increases certainty. After making a decision, we become more confident we were right. The more we invest, the more we justify. This explains why people double down on failing courses of action.

Self-justification prevents learning. By protecting us from recognizing mistakes, self-justification prevents the learning that mistakes enable. We feel better but repeat the same errors.

Mutual self-justification escalates conflict. When both parties justify, conflicts spiral. Each defensive move provokes the other’s justification, polarizing positions and making resolution harder.

Why This Matters for Survivors

Understanding the narcissist. Narcissists are extreme self-justifiers, unable to tolerate the dissonance of being wrong. Their endless rationalization isn’t strategic lying—they genuinely believe their justifications. Understanding this explains their imperviousness to evidence and argument.

Understanding yourself. You also engaged in self-justification—explaining away red flags, justifying staying, maintaining belief in the relationship. Recognizing this as universal human psychology, not personal stupidity, reduces shame while supporting vigilance going forward.

Why arguments never worked. Arguments activate self-justification mechanisms. The more you presented evidence, the more the narcissist justified. Understanding this explains the futile feeling of circular conversations and supports giving up on persuasion.

Vigilance for the future. Self-justification doesn’t stop operating after you leave. You may justify returning, minimize what happened, or rationalize red flags in new relationships. Awareness of these mechanisms supports ongoing vigilance.

Clinical Implications

Normalize self-justification. Patients often feel shame about the rationalizations that kept them in harmful situations. Educating them about universal self-justification reduces shame while supporting accountability.

Expect self-justification in therapy. Patients will justify their beliefs and behaviors, including harmful patterns. Confrontation may trigger defensive justification. Create conditions for honest self-examination rather than argument.

Address both parties’ justification. In couples or family work, recognize that both parties are self-justifying. Breaking cycles requires both to recognize their contribution—difficult when each sees only the other’s justification.

Model acknowledgment of error. Therapists can model non-defensive acknowledgment of mistakes, demonstrating that admitting error doesn’t require self-destruction. This counters the all-or-nothing thinking that makes self-justification feel necessary.

How This Work Is Used in the Book

Tavris and Aronson’s work appears in chapters on narcissistic psychology and recovery:

“Tavris and Aronson’s ‘self-justification’ explains both the narcissist and yourself. Narcissists are extreme self-justifiers—unable to tolerate the dissonance of being wrong. But you also justified: explaining away red flags, maintaining belief in the relationship despite evidence. Understanding self-justification as universal psychology reduces shame while explaining why arguments never worked and vigilance remains necessary.”

Historical Context

Tavris and Aronson built on Leon Festinger’s foundational cognitive dissonance research while extending it to explain contemporary phenomena: political polarization, criminal justice failures, institutional cover-ups, relationship conflicts. The book appeared in 2007 as psychology was increasingly explaining public events through social psychological lenses.

The core insight—that minds protect themselves from recognizing mistakes—has profound implications. It explains how intelligent people maintain false beliefs, how institutions resist reform, how conflicts escalate despite evidence, and how relationships deteriorate through mutual justification. The book became widely influential in fields from psychotherapy to criminal justice.

Further Reading

  • Festinger, L. (1957). A Theory of Cognitive Dissonance. Stanford University Press.
  • Aronson, E. (2019). The Social Animal (12th ed.). Worth Publishers.
  • Tavris, C. (1989). Anger: The Misunderstood Emotion. Touchstone.
  • Gilovich, T. (1991). How We Know What Isn’t So: The Fallibility of Human Reason in Everyday Life. Free Press.

About the Author

Carol Tavris, PhD is a social psychologist, author, and lecturer known for her work on cognitive dissonance, anger, and pseudoscience. Elliot Aronson, PhD is Professor Emeritus at UC Santa Cruz and one of the most influential social psychologists of the twentieth century, particularly known for research on cognitive dissonance.

Together, they bring decades of research on self-justification to a general audience, showing how universal psychological mechanisms explain behavior that seems otherwise inexplicable.

Historical Context

Published in 2007, the book synthesized decades of research on cognitive dissonance and self-justification. It appeared as psychology was increasingly explaining public phenomena—political polarization, criminal justice failures, institutional cover-ups—through social psychological lenses. The book provided framework for understanding how good people do bad things and refuse to acknowledge it.

Frequently Asked Questions

Cited in Chapters

Chapter 16 Chapter 20

Related Terms

Glossary

clinical

Cognitive Dissonance

The psychological discomfort of holding two contradictory beliefs simultaneously—common in abuse when the person harming you is also someone you love.

clinical

Denial

A psychological defence that involves refusing to acknowledge reality—used by abusers to avoid accountability and by victims to cope with unbearable situations.

Related Research

Further Reading

social 1957

A Theory of Cognitive Dissonance

Festinger, L.

Book Ch. 16, 20
social 2011

Thinking, Fast and Slow

Kahneman, D.

Book Ch. 16

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