Availability Heuristic
If I Can Recall It Fast, It Feels Common
Fast Rules of Thumb
After seeing one dramatic story about a plane problem, a traveler feels flying is suddenly much riskier than driving.
Learn this bugHeuristics
Heuristics are fast rules of thumb. They are not always bad, but they can make rare events feel common or simple stories feel true.
A quick shortcut can help under pressure, but you need to know when to slow down and double-check.
2 lesson pages and 2 comparison links currently live in this section.
Heuristics can be useful.
Biases are the tilted outcomes that often come from shortcuts.
Statistical errors happen when a shortcut ignores the numbers.
Availability Heuristic
Fast Rules of Thumb
After seeing one dramatic story about a plane problem, a traveler feels flying is suddenly much riskier than driving.
Learn this bugFamiliarity Heuristic
Fast Rules of Thumb
A person starts trusting a claim mainly because they have heard it again and again.
Learn this bugAvailability Heuristic
Fast Rules of Thumb
After seeing one dramatic story about a plane problem, a traveler feels flying is suddenly much riskier than driving.
Learn this bugFamiliarity Heuristic
Fast Rules of Thumb
A person starts trusting a claim mainly because they have heard it again and again.
Learn this bugA vivid example feels stronger than the data.
Familiar things seem safer or better.
If I Can Recall It Fast, It Feels Common — Availability Heuristic
If It Feels Familiar, It Feels Safer Or Truer — Familiarity Heuristic
A single vivid example makes a risk feel huge.
Use a short quiz or drill to check whether you can tell this category apart from nearby thinking traps.