According to the authors of “Think Like a Freak” they are “I don’t know.” People have opinions about virtually everything. There is a saying, cleaned up here, opinions are like anal sphinchters, everyone has one. Experts have opinions, but they are frequently not correct (enter “Tetlock” into the search block to learn more). What’s even worse, is that we are rarely reluctant to make predictions about the future, and the physicist Niels Bohr liked to say, “Prediction is very difficult, especially it its about he future.”
A good post to read or reread here is “Understanding Beliefs.” We do not know the world directly. On the basis of our experience with the world, we develop models of the world. As the result of experience and learning, we need to revise and refine these models. All our beliefs should be probabilistic and should be revised as the result of new learning and experience.
This is the primary problem with ideologues and ideologies. They bias information processing, hindering the development and refinement of our knowledge of the world. This is problematic because our knowledge is always imperfect.
Strictly speaking, we should never say, “I know,” or “I believe” if what we know or believe can be changed. It is better to say, “To the best of my knowledge,” or “my thinking leads me to believe.”
Most importantly, we should never be afraid to say, “I don’t know.” We live in a complicated and dynamically changing world where we can be familiar with only a small part of it. Even in HM’s field of cognitive psychology, there is simply too much to understand, and if he says, “I don’t know,” it is a reasonable response, one
which he is not only entitled to say, but one which he is obligated to say.
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