188 mental shortcuts that usually help and sometimes mislead. Pick one to see why it happens and how to catch it.
Short animated videos, about 30 seconds each. Pick one to play it.
Ten quick experiments, most under a minute. Answer honestly, then see what happened.
Every bias is a side effect of solving one of four everyday problems.
Search by name or topic, like "money" or "memory". Most entries are cognitive biases. Labels mark the memory effects, the logical fallacies, other names for the same thing, and the few that aren't biases at all.
Eight everyday scenarios. Pick the bias behind each one.
For decisions that are expensive or hard to undo, these checks catch most of the map.
Recognise one in yourself? Press "I do this" on its card. They collect here, with the habits that catch them. Saved only on this device.