Troy Campbell and Justin Friesen report that many people claim that there was a scientific study that showed vaccines cause autism. Actually, the researcher in that study lost his medical license, and overwhelming research since then has shown no link between vaccines and autism whatsoever.
Some people say, Well, regardless, it is still my personal right as a parent to make decisions for my child.... Do those statements sound familiar - a debate that starts with testable factual statements, but then, when the truth becomes inconvenient, the person takes a flight from facts.
As public debate rages about issues like immunization, Obamacare, and same-sex marriage, many people try to use science to bolster their arguments. And since it is becoming easier to test and establish facts whether in physics, psychology, or policy many have wondered why bias and polarization have not been defeated. When people are confronted with facts, such as the well-established safety of immunization, why do these facts seem to have so little effect? Read the article.