The official site of bestselling author Michael Shermer The official site of bestselling author Michael Shermer

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For the Love of Science

Combating science denial with science pleasure

Scientific American (cover)

That conservatives doubt scientific findings and theories that conflict with their political and religious beliefs is evident from even a cursory scan of right-leaning media. The denial of evolution and of global warming and the pushback against stem cell research are the most egregious examples in recent decades. It is not surprising, because we expect those on the right to let their politics trump science—tantamount to a dog-bites-man story.

That liberals are just as guilty of antiscience bias comports more with accounts of humans chomping canines, and yet those on the left are just as skeptical of well-established science when findings clash with their political ideologies, such as with GMOs, nuclear power, genetic engineering and evolutionary psychology—skepticism of the last I call “cognitive creationism” for its endorsement of a blank-slate model of the mind in which natural selection operated on humans only from the neck down.

In reality, antiscience attitudes are formed in very narrow cognitive windows—those in which science appears to oppose certain political or religious views. Most people embrace most of science most of the time.

Who is skeptical of science, then, and when?

That question was the title of an October 2017 talk I attended by Asheley R. Landrum, a psychologist at Texas Tech University, who studies factors influencing the public understanding and perception of science, health and emerging technologies. She began by citing surveys that found more than 90 percent of both Republicans and Democrats agreed that “science and technology give more opportunities” and that “science makes our lives better.” She also reviewed modest evidence in support of the “knowledge deficit hypothesis,” which posits that public skepticism of science is the result of inadequate scientific knowledge. Those who know more about climate science, for example, are slightly more likely to accept that global warming is real and caused by humans than those who know less on the subject. (continue reading…)

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