The deciMate blog
Practical writing on decision-making: frameworks, cognitive bias, and how to get measurably better at high-stakes calls in product and engineering.
Confirmation bias: how to catch it in your own decisions
Confirmation bias is why careful, data-driven teams build the wrong thing with total confidence. Here is what it is, why smart people are more prone to it, and the moves that catch it.
Read the guideDecision fatigue: why your choices get worse all day
By evening you are not lazy or careless. You are worn down from a day of small choices, and your decisions show it. Here is what decision fatigue really is, where the science actually stands, and how to design your day so the decisions that matter do not land when your tank is empty.
The sunk cost fallacy, and how to beat it
The sunk cost fallacy is why smart people keep funding what is already lost. Here is what it is, why your brain does it, and the one question that gets you out.
How to stop overthinking decisions
Overthinking feels like being careful. Usually it is the opposite. Here is why your brain gets stuck, what the deliberation is actually costing you, and how to get unstuck without deciding recklessly.
How to improve your decision-making skills
Most advice comes down to "trust your gut" or "get more data." Both fail in predictable ways. Here is what experienced decision-makers actually do, and how to practice it.