Survivorship bias: when failure gets forgotten

We all know that one chain-smoker who lived an old, healthy life. We read everyday about Steve Jobs, Bill Gates and Mark Zuckerberg—college dropouts who started billion-dollar companies. And we tend to attribute our own success to dedication rather than luck. These are all typical examples of survivorship bias. Survivorship bias is a common bias … Read More

How to practice nuanced thinking

“This is just wrong.” How many times have you heard that phrase during a heated conversation? Such categorical statements never seem to help in coming to an agreement, or at least to create opportunities to learn. Whether at an interpersonal level or at a broader scale, a lack of nuanced thinking can have a significant … Read More

Pre-mortem: how to anticipate failure with prospective hindsight

Most people are familiar with post-mortem documentation, where team members come together at the conclusion of a project to record what went well and what didn’t. Fewer people have performed a pre-mortem before the start of a project. A pre-mortem is an exercise where we imagine that a project has failed, and where we work … Read More

How to evaluate the validity and reliability of your mental models

Mental models are shortcuts for reasoning. They are a set of ideas and beliefs that we consciously or unconsciously form based on our experiences to shape our representation of how the world works. While mental models are extremely useful to make decisions in times of uncertainty, they are still shortcuts—which can be harmful if we … Read More

From closed mind to open mind

Do you consider yourself an open-minded person? Most people would say yes. Which, paradoxically, shows a form of closed-mindedness by failing to consider your own shortcomings.  Closed-mindedness in the inability or difficulty to consider different ideas or opinions. While it is easy to spot in others, we are all guilty of closed-mindedness depending on the … Read More

The Dunning–Kruger effect: you don’t know what you don’t know

Why do ignorant folks tend to overestimate the extent of their knowledge? How do incompetent people often seem to be unaware of how deficient their expertise is? Turns out, we are not very good at evaluating ourselves accurately. And one of the most obvious manifestations of this psychological deficiency is the Dunning–Kruger effect, the cognitive … Read More