Intellectual

Decision frameworks

12 sections · 10 pts/section

Section 1 / 12

Your gut has a blind spot

Your guess

You start a small home project. You guess it takes one weekend. How long do projects like it usually take?

Your brain is good at many things. Guessing the future is not one of them.

It tends to think plans will go fast, cost little, and go smoothly.

Researchers call this the planning fallacy. We see it again and again.

planning fallacy

Our habit of guessing a plan will take less time, money, and risk than it really does.

Daniel Kahneman watched this happen on his own team.

They were building a school course. They felt almost done.

Then they checked the record of similar teams.

“Our project was no different from the others. Teams like ours took seven to ten years to finish. Many never finished at all.”— Daniel Kahneman, Thinking, Fast and Slow

Their gut had a blind spot. The record did not.

Before / After

Same project. Two ways to guess how long it takes.

You picture your own plan going well. It feels close. "A few more weeks."

The blind spot shrinks when you check the record, not just your hopes.

inside view

Judging your plan by your own details and hopes, not by how similar plans turned out.

outside view

Judging your plan by how similar plans actually turned out for other people.

A smart person can think their way past this blind spot by trying harder and concentrating more.Tap to reveal

This feels true because effort usually helps. But the gap is built into how we plan. Trying harder does not close it. Small tools do.

This module hands you those tools. Each one is a simple framework.

framework

A small, repeatable way to think through a choice, step by step.

Cognitive Biases and Thinking Traps name the errors.

This module shows you ways to dodge them.