Self-Enhancement Bias

Also known as: Self-serving bias (related), Ego-protection

Self-enhancement bias refers to the tendency for individuals to take credit for their successes while blaming outside factors for their failures. It is a motivational bias that serves to protect or enhance self-esteem.

Social Biases

2 min read

experimental Evidence


Self-Enhancement Bias

The Psychology Behind It

Self-enhancement bias is a fundamental drive in human psychology. It is the tendency to interpret information in a way that reflects positively on oneself. This can manifest in many ways, such as taking credit for success (self-serving attribution), forgetting negative feedback (mnemic neglect), or seeing oneself as better than others (illusory superiority).

The primary function of this bias is to maintain self-esteem and mental health. People with high self-esteem tend to be happier and more resilient. However, when taken to an extreme, self-enhancement can lead to narcissism, inability to learn from mistakes, and strained relationships.

Real-World Examples

The Group Project

In almost any group project, if you ask each member what percentage of the work they contributed, the sum of the percentages will exceed 100%. Each person remembers their own effort vividly but is less aware of the effort of others, leading them to enhance their own contribution.

Sports Fans

When a favorite team wins, fans often say "We won," identifying with the success. When the team loses, they say "They lost," distancing themselves from the failure. This is a classic self-enhancement strategy called "Basking in Reflected Glory" (BIRGing).

Feedback Processing

Employees often accept positive performance reviews as accurate reflections of their ability but dismiss negative reviews as biased, unfair, or due to bad luck.

Consequences

Self-enhancement bias can lead to:

  • Stagnation: If you believe you are already great and your failures are not your fault, you have no incentive to improve.
  • Relationship Conflict: Constantly claiming credit and deflecting blame is toxic in personal and professional relationships.
  • Risky Behavior: Overconfidence in one's abilities can lead to poor risk assessment.

How to Mitigate It

Balancing self-esteem with reality is key.

  1. Own Your Failures: Practice saying "I made a mistake." It is uncomfortable but essential for growth.
  2. Attribute Success to Others: Actively look for the role that luck, help from others, or favorable circumstances played in your success.
  3. Seek Honest Mirrors: Surround yourself with people who will tell you the truth, not just what you want to hear.

Conclusion

Self-enhancement is a double-edged sword. It protects us from depression and despair, but it can also insulate us from the truth. The goal is not to destroy self-esteem, but to base it on genuine competence and character rather than illusions.

Mitigation Strategies

Radical Responsibility: Adopt a mindset where you take 100% responsibility for every outcome in your life, even if it's not entirely fair. This empowers you to change things.

Effectiveness: high

Difficulty: moderate

Gratitude Practice: Regularly acknowledging the contributions of others helps counteract the tendency to take all the credit.

Effectiveness: medium

Difficulty: moderate

Potential Decision Harms

Executives may engage in empire-building or make acquisitions that stroke their ego but destroy shareholder value.

critical Severity

Individuals may repeat the same mistakes in relationships or careers because they refuse to acknowledge their role in the failures.

major Severity

Key Research Studies

Self-enhancement and self-protection: What they are and what they do

Alicke, M. D., & Sedikides, C. (2009) European Review of Social Psychology

Provided a comprehensive review of the motives for self-enhancement and their effects on judgment and behavior.

Read Study →


Related Biases

Explore these related cognitive biases to deepen your understanding

Risky Shift

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Risky shift is the tendency for groups to make riskier decisions than individuals would make alone, especially when responsibility is diffused across members.

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/ Group Risk-Taking

Abilene Paradox

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The Abilene paradox is a group decision-making failure where people agree to a course of action that almost no one individually wants, because each assumes others are in favor.

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Zero-Sum Bias

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Zero-sum bias is a cognitive bias towards thinking that a situation is a zero-sum game, where one person's gain would be another's loss.

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Correspondence Bias

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Correspondence bias is the tendency to infer stable personality traits from others' behavior while underestimating situational influences.

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/ Fundamental Attribution Error

Trait Ascription Bias

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Trait ascription bias is the tendency to see others' behavior as reflecting fixed traits, while viewing our own behavior as more flexible and influenced by circumstances.

Social Biases / Self–other perception

/ Self–Other Asymmetry

Hostile Attribution Bias

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Hostile attribution bias is the tendency to interpret ambiguous actions of others as intentionally hostile or threatening.

Social Biases / Attribution and aggression

/ Hostile Attribution of Intent