Confirmation Bias
Confirmation Bias
Confirmation bias (/kənˈfɜːrməʃən baɪəs/), also known as my-side bias, is the tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses, while giving disproportionately less consideration to alternative possibilities.
Etymology
The term "confirmation bias" was coined by English psychologist Peter Wason. It is based on the Latin word 'confirmare' which means 'to establish'. The term 'bias' comes from the French word 'biais' which means 'slant, oblique'.
Definition
Confirmation bias is a type of cognitive bias and a systematic error of inductive reasoning. People display this bias when they gather or remember information selectively, or when they interpret it in a biased way. The effect is stronger for emotionally charged issues and for deeply entrenched beliefs.
Related Terms
- Cognitive bias: A systematic pattern of deviation from norm or rationality in judgment.
- Inductive reasoning: A method of reasoning in which the premises are viewed as supplying some evidence, but not full assurance, of the truth of the conclusion.
- Belief perseverance: The tendency to maintain beliefs even after they have been discredited.
- Cherry picking: The act of pointing to individual cases or data that seem to confirm a particular position, while ignoring a significant portion of related cases or data that may contradict that position.
See Also
External links
- Medical encyclopedia article on Confirmation Bias
- Wikipedia's article - Confirmation Bias
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