![]() ![]() Wason in his study aims to demonstrate that most people do not proceed optimally in testing hypothesis. He also conducted a study that in the end demonstrated the phenomenon of confirmation bias. The term confirmation bias was coined by the English psychologist Peter Wason. ![]() These biases appear in particular for emotionally significant issues and for established beliefs. So how does confirmation bias work? People already have preconceived assumptions at the start and to confirm these, what people tend to do is gather evidence and recall information from memory selectively and interpret these altogether in a biased way. The phenomenon is also called confirmatory bias or myside bias. Confirmation bias is a person’s tendency to favor information that confirms their assumptions, preconceptions or hypotheses whether these are actually and independently true or not. ![]()
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