Polymath

Self improvement · Full roadmap · ~85 min read · 25 steps

⚖️Refine your actionable decision skills

Make calmer, sharper decisions you can actually defend later

Activities in this path

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Unit 1

1

Start here

Course overview

2

Why decisions are the lever

Decisions compound

3

Two systems in your head

System 1 and System 2

4

Why your brain takes shortcuts

Heuristics and biases

5

Anchoring

The first number sticks

Unit 2

Availability

Easy to recall feels likely

Confirmation bias

You hunt for "yes"

Sunk cost fallacy

Don't throw good after bad

Loss aversion and framing

Losses hurt more

Overconfidence and hindsight

We're surer than we should be

Unit 3

The halo effect

One good trait colors the rest

Resulting, the big one

Decision quality is not outcome quality

Think in bets and probabilities

Replace certainty with odds

Expected value

Weigh payoff by odds

Base rates

Start from how common it is

Unit 4

Consider the opposite

Argue against yourself

A simple weighted decision

Pros and cons with weights

The Eisenhower matrix

Urgent is not important

One-way and two-way doors

Match effort to reversibility

The premortem

Imagine it already failed

Unit 5

Satisficing vs maximizing

Good enough beats perfect

When to trust your gut

Intuition needs valid feedback

Analysis paralysis and group traps

Two failure modes to avoid

Your decision checklist

A routine for big calls

Where to go next

Where to go next

Start unit 1