How should scientists respond to science denialism?? John Cook explains @ConversationEDUen

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CauseScience

Inoculating against science denial

John Cook, The University of Queensland

Science denial has real, societal consequences. Denial of the link between HIV and AIDS led to more than 330,000 premature deaths in South Africa. Denial of the link between smoking and cancer has caused millions of premature deaths. Thanks to vaccination denial, preventable diseases are making a comeback.

Denial is not something we can ignore or, well, deny. So what does scientific research say is the most effective response? Common wisdom says that communicating more science should be the solution. But a growing body of evidence indicates that this approach can actually backfire, reinforcing people’s prior beliefs.

When you present evidence that threatens a person’s worldview, it can actually strengthen their beliefs. This is called the “worldview backfire effect”. One of the first scientific experiments that observed this effect dates back to 1975.

A psychologist from the…

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