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Confirmation Bias & Perseverance

This Prezi helps to explain the difference between these commonly confused terms. It is only a slight adaptation of a public Prezi by Angel Munos originally titled Belief Bias & Perseverance.

Katherine Osterholz

on 11 April 2014

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Transcript of Confirmation Bias & Perseverance

Confirmation Bias and Belief Perseverance
Confirmation Bias
What's the difference?
- Confirmation bias exists when people favor information that supports their beliefs or opinions and deny information that doesn't.
- This can happen in the selective gathering of information or the interpretation of information.
- This is sometimes referred to as belief bias.
Confirmation Bias
- Some people use information from a biased source. For example, many conservatives watch Fox news because it corresponds with the beliefs that they have already created.
- In presidential elections, the audience of the opposite political party will be much tougher, focusing on the faults and shortcomings while ignoring valid information.
-After going through a break up, it
may seem as if the radio stations
play nothing but love songs.
Confirmation Bias
Belief Perseverance
- Belief perseverance occurs when a person clings to
their beliefs even after they have been proven wrong.
- When told the results of the study, the woman uses it to prove her own beliefs. This is confirmation bias.
- What would have happened if the study was fake? In 2001,
a hoax circulated the internet claiming that Lovenstein Institute had determined that George Bush had the lowest
IQ of all the presidents in the past 50 years. Thousands
of people fell for it because it "proved" their opinions
of him.
Belief Perseverance
Belief Perseverance
- In 1979, Charles Lord studied people
with opposing views of the death penalty.
He gave both groups the same mixed
evidence. Each side was impressed with
studies that supported their beliefs and
disputed those that didn't. Both
groups actually increased their
Belief Perseverance
- One simple remedy exists to ditch
belief perseverance:
Consider the opposite
Confirmation bias
occurs when someone favors information that supports their beliefs.
Belief perseverance
occurs when they clings to their beliefs even in the face of information that contradicts it.
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