What Are the 3 Common Types of Bias with Examples?

Learn about the three common types of bias—selection, confirmation, and anchoring bias—and how they impact decision-making and analysis.

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Selection bias occurs when the sample is not representative of the population. Confirmation bias happens when individuals favor information that confirms their preconceptions. Anchoring bias involves relying too heavily on the first piece of information encountered when making decisions. These biases can distort analysis and lead to inaccurate conclusions.

FAQs & Answers

  1. What is selection bias in research? Selection bias occurs when the sample chosen for a study or analysis is not representative of the broader population, leading to skewed or invalid results.
  2. How does confirmation bias affect decision-making? Confirmation bias causes individuals to favor information that confirms their existing beliefs or preconceptions, often ignoring contradictory evidence.
  3. What is anchoring bias and how can it influence judgments? Anchoring bias involves relying too heavily on the initial piece of information encountered, which can distort subsequent judgments and decisions.

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