Confirmation Bias

Knowledge Center

Summary, forum, best practices, expert tips and information sources.

39 items • 33.208 visits



What is a Confirmation Bias? Meaning.

Confirmation Bias is the human tendency to search for, select ("Selection Bias"), or interpret information in a way that confirms one's preconceptions.

It is a phenomenon wherein decision makers have been shown to actively seek out and assign more weight to evidence that confirms their hypothesis, and ignore or under weigh evidence that could disconfirm their hypothesis.  It is a human tendency that is particularly relevant for strategists and marketers.


It is one particular form of cognitive bias in judgment and decision making and is related to anchoring bias and status quo bias.

Types of Confirmation Bias? Forms.

Two main forms or types of this human tendency are the Halo Effect and the Horn Effect.

Special Interest Group

Confirmation Bias Special Interest Group.

Special Interest Group (11 members)


Forum about the Confirmation Bias. Below you can ask a question about this topic, share your experiences, report a new development, or explain something.

Start a new topic about Confirmation Bias


🔥 NEW 13 Reasons Why People Believe Fake News
Propaganda and fake news in social media have become a real and major threat to our society. Let's try together to build our understanding of this ugly phenomenon. To get started, here are some simple...
Horn Effect Bias
The horn effect is one type of cognitive bias - more specifically one type of confirmation bias - that causes one's perception of another person to be unduly influenced by a single negative trait.
Quotes on Confirmation Bias. Quotations
Hi, do you know of a remarkable, humorous quote by a famous person or a proverb related to searching for or interpreting information in a way that confirms our preconceptions and/or conformation bias?...

Best Practices

The best, top-rated topics about the Confirmation Bias. Here you will find the most valuable ideas and practical suggestions.

Expert Tips

Advanced insights about the Confirmation Bias. Here you will find professional advices by experts.

Dangers of Categorical Thinking

Decision-making, Strategy, Strategic Thinking
Categorization, taking in voluminous amounts of messy data and then simplifying and structuring it so that you can make ...

How to Avoid Being Misguided by Experience-based Biases

Analogical Strategic Reasoning, Decision-making, Cognitive Bias, Bandwagon Effect, Confirmation Bias, Anchoring
We often make decisions based on past experiences and judge the future. However, our past experience can sometimes misgu...

How to Use Counterintuition to Fight 5 Frequent Decision Making Errors

Strategic Decision Making, Dealing with Complexity, Dealing with Uncertainty, Strategy
Mauboussin describes five mistakes in decision making that are often made and result in making the wrong decisions. Thes...
Information Sources

Various sources of information regarding the Confirmation Bias. Here you will find powerpoints, videos, news, etc. to use in your own lectures and workshops.

How to Improve your Strategic Decision Making?

Strategic Decision Making, Cognitive Bias, M&A, Corporate Finance
In this video Michael Mauboussin, Credit Suisse's Head of Financial Strategies, briefly explains parts of Philip E. Tetl...

Top 5 Strategy Pitfalls

Strategy Errors, Strategy Traps, Strategy Barriers, Strategic Planning, Strategy Process
Strategy is complex and companies are making many mistakes while working on it. Stuart Cross identified 5 frequent strat...

Hearing versus Listening

Communicating Effectively, Active Listening, Coaching, Mentoring
A comprehensive presentation about listening and how to do it well. Includes a scheme of the steps in the listening pro...

Critical Thinking in Decision Making

Critical Thinking, Testing Assumptions, Avoiding Fallacies, Avoiding Biases, Dealing with Emotions
Presentation about critical thinking for decision making, including the following sections: 1. Failure of Imagination ...

Research Links

Jump to further research sources regarding the Confirmation Bias.













Compare also: Analogical Strategic Reasoning  |  Hawthorne Effect  |  Black Swan Theory

Special Interest Group

Do you know a lot about the Confirmation Bias? Become our SIG Leader


Return to Management Hub: Communication & Skills  |  Decision-making & Valuation  |  Ethics & Responsibility  |  Finance & Investing  |  Knowledge & Intangibles  |  Strategy & Innovation

More on Management  |  Return to Management Dictionary


This ends our Confirmation Bias summary and forum.

About 12manage | Advertising | Link to us / Cite us | Privacy | Suggestions | Terms of Service
2023 12manage - The Executive Fast Track. V16.1 - Last updated: 5-2-2023. All names of their owners.