Psychology
How the mind actually works — including the predictable ways it misjudges.
Anchoring
The first number you see quietly drags every later estimate towards it.
Read entry → Cognitive biasAvailability Heuristic
We judge how likely something is by how easily examples come to mind.
Read entry → Mental modelCircle of Competence
Know the boundary of what you actually understand — and operate inside it.
Read entry → Cognitive biasConfirmation Bias
We seek, favour and remember evidence that fits what we already believe.
Read entry → Cognitive biasDunning–Kruger Effect
The less skilled we are at something, the more we tend to overrate our skill at it.
Read entry → Cognitive biasLoss Aversion
A loss hurts about twice as much as an equivalent gain feels good.
Read entry → Cognitive biasSunk-Cost Fallacy
Continuing something because of what you've already spent, not what it's now worth.
Read entry → Cognitive biasSurvivorship Bias
Judging from the winners you can see, while the losers who'd change the story are invisible.
Read entry → Mental modelThe Map Is Not the Territory
Every model is a simplification of reality — useful, but never the thing itself.
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