Bayesian Thinking and How It Can Help You Avoid 4 Important Cognitive Biases

Using probability and statistics for better decision making

Shubhangini
5 min readApr 27, 2020
Photo by Nathan Dumlao on Unsplash

“You have changed. You were a different person back then.”
My reaction to such comments used to be defensive where I would eventually succumb to my inability of defending my inconsistency.

“Consistency is valued and adaptive and inconsistency is commonly thought to be an undesirable personality trait” — Allgeier, Byrne, Brooks, & Revnes

My new line of defense — Bayesian thinking! To those new to the concept, and to put it as succinctly and practically as possible:

Bayesian thinking extends the popular Bayes’ formula to critical thinking and urges us to incrementally update our probabilities as we encounter new information.

A commonly used example to understand this is the ‘Good Driver Conundrum.’ Let’s say that you believe you are a good driver. But one day you get into a car accident. Your instinctive reaction might be either of the two: Dismiss the evidence and defend your prior belief (“It was that crazy person’s fault”) or give new evidence importance like nothing else matters (“I was wrong, I am a bad driver”)

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