"You're entitled to your own opinion but not your own facts" is a phrase the pundits on the Washington scene often throw at each other. The underlying precept is that knowing the facts will influence an opinion. There is often an appeal to science in the acceptance of a fact; science is often deemed the ultimate authority. In fact, the word "science" means "to know." This was not always so. Before science was established as an authority, people still had a hard time accepting evidence that was counter to what they already knew (believed) to be true, even if the proof was right before their eyes.
Allow me to give you an example:
Galileo is considered the father of modern science, now a huge body of knowledge that has been accumulating incrementally by thousands of people. Each tiny bit of information can be challenged by asking, "How do you know?" And each contributing scientist can answer as Galileo did to the dinner party guests, "This is what I did. If you do what I did, then you'll know what I know." In other words, scientific information is verifiable, replicable human experience. How we know determines what we know. Science has grown exponentially since Galileo. It is built on a huge body of data. And its power shows up in technology. The principles that are used to make a light go on were learned in the same meticulous way we've come to understand how the carbon dioxide levels in the atmosphere have risen over the past 100 years leading to ominous climate change or that Darwin was right, and living species are interconnected "Islands in a sea of death."
Yet there are many who cherry pick science -- only believing its findings when they agree with them. (Documented proof doesn't fare much better. Despite the publication of President Obama's much questioned birth certificate, there is still a percentage of the population that refuses to believe he was born in the USA. )
What's going on here? Believe it or not, science has taken a look at so-called "motivated reasoning" where people rationalize evidence that is not in keeping with deeply held beliefs. Here are some of the findings:
- A large number of psychological studies have shown that people respond to scientific or technical evidence in ways that justify their preexisting beliefs.
And finally the conclusion: "If you want someone to accept new evidence, make sure to present it to them in a context that doesn't trigger a defensive, emotional reaction."
In other words, sometimes a direct approach to the facts is NOT the way to go. So keep an open mind about this.
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