There are so many ways bias goes under our radars and derails our judgment. Motivated reasoning and its tricky sidekick, confirmation bias, are some of the worst. Motivated reasoning allows our feelings and beliefs to to steer us to what feels like a rational and objective position. Confirmation bias lets us cherry pick evidence to suit: A study that confirms our beliefs gets a free pass, while we nitpick a challenging study to death – and then the findings that shore up our argument build up in our minds.
Digital and social media is an ideal force for super-charging all this: It's great at stirring up feelings and urgency so that people spread studies to a tribe of like-minded people without paying much – if any – critical attention to the content. Speed and emotion are natural enemies of objectivity.
All this keeps convincing us that the conclusion we want to have is the right one – and it's such a time saver! It's a big problem, though, if you want your beliefs to be an accurate view of reality.
