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Last updated: Mar 9, 2025

Understanding Cognitive Bias: How It Affects Our Decisions

Understanding Cognitive Bias

Cognitive bias is a term that describes the systematic patterns of deviation from norm or rationality in judgment. In simpler terms, it’s the way our brain can trick us into thinking things that aren’t true or making decisions that aren’t necessarily the best. Let’s break this down a bit!

What Are Cognitive Biases?

Cognitive biases are like mental shortcuts or rules of thumb that help us process information quickly. While these shortcuts can be helpful, they often lead to errors in judgment. Here are some common examples:

  • Confirmation Bias: This is when we tend to favor information that confirms our existing beliefs. For example, if you believe that a specific diet is effective, you may only look for success stories that support that idea, ignoring any evidence to the contrary.
  • Anchoring Bias: This occurs when we rely too heavily on the first piece of information we encounter. For instance, if you see a shirt priced at $100 and then see another for $50, you might think the second shirt is a great deal, even if it’s still overpriced.
  • Availability Heuristic: This is when we judge the probability of events based on how easily examples come to mind. After hearing about a plane crash, you might think flying is dangerous, even though statistically, it’s safer than driving.

Steps to Recognize Cognitive Biases

  1. Be Aware: The first step is simply being aware that cognitive biases exist. Understanding that our minds can play tricks on us can help you pause and think before making decisions.
  2. Seek Diverse Perspectives: Talk to people who have different opinions or experiences. This can help you see your blind spots and challenge your own beliefs.
  3. Question Your Assumptions: When you find yourself believing something, ask yourself why you think that. What evidence do you have? Could there be another explanation?
  4. Take Your Time: Avoid making snap decisions. Give yourself time to think things through and gather more information before concluding.

Categories of Cognitive Bias

Cognitive biases can be grouped into several categories:

  • Decision-Making Biases: These affect the choices we make, such as loss aversion, where we prefer avoiding losses over acquiring equivalent gains.
  • Social Biases: These involve how we perceive ourselves and others, including the halo effect, where we let one positive trait influence our overall judgment of a person.
  • Memory Biases: These affect how we remember information, like the hindsight bias, where we believe we could have predicted an event after it has happened.

Real-Life Examples of Cognitive Bias

  1. Job Interviews: In a job interview, an interviewer might fall prey to the halo effect by being overly impressed by a candidate’s appearance or charisma, impacting their evaluation of qualifications.
  2. Shopping: When shopping, you might experience anchoring bias. If a store has a sale showing the original price next to the sale price, your judgment of the deal is influenced by the higher original price.
  3. News Consumption: When reading the news, confirmation bias can lead you to seek out articles that align with your political views, while ignoring those that challenge your opinions.

Understanding cognitive biases helps us navigate our daily lives more effectively. By recognizing these biases in ourselves and others, we can improve our decision-making and foster better communication and understanding.

Dr. Neeshu Rathore

Dr. Neeshu Rathore

Clinical Psychologist, Associate Professor, and PhD Guide. Mental Health Advocate and Founder of PsyWellPath.