Cognitive Bias Awareness Score
Rate how often eight common cognitive biases apply to you and get a ranked profile, showing which ones to guard against and the counter-move for each.
Cognitive biases are systematic ways that judgment drifts away from what the evidence supports. Everyone has all of them. The eight below are the ones that show up most often in ordinary decisions about money, work, and time.
What the number here means, and what it does not
Each question asks how often one bias applies to you, rated 1 (never) to 5 (frequently), for a total between 8 and 40.
A high total is not a bad grade and a low total is not a good one. The total measures how much exposure you are willing to report, and that is a different thing from how biased you actually are. Someone who scores 12 has either built genuinely good habits or cannot see their own shortcuts, and this page cannot tell those two apart. What it can do is rank the eight against each other, and that ranking is the part worth acting on.
Score honestly, then read the profile rather than the total.
The eight
| Bias | What it does | The counter-move |
|---|---|---|
| Confirmation bias | You look for evidence that supports what you already think | Go find the strongest case against your position first |
| Anchoring | The first number you see drags every later estimate toward it | Make your own estimate before you look at theirs |
| Sunk cost fallacy | You keep going because of what you already spent | Ask what you would choose if you were starting today |
| Availability heuristic | Vivid or recent events feel more likely than they are | Look up the actual base rate |
| Dunning-Kruger effect | Confidence is highest where competence is lowest | Try to explain it end to end and notice where it breaks |
| Status quo bias | Staying put feels safer than it is | Treat “keep it as is” as one option that must earn its place |
| Bandwagon effect | An opinion gains weight from how many people hold it | Ask what the crowd knows that you do not, and answer specifically |
| Optimism bias | Your plans assume things go well | Plan from your last three projects, not from this one’s best case |
Reading the ranking
Two or three items usually sit well above the rest. Those are the ones where a structural guard pays off, and structure beats willpower here by a wide margin. Knowing about a bias does very little on its own: the research on debiasing through education is consistently disappointing. What works is changing the decision procedure so the bias has nowhere to act.
That is why every row above has a counter-move rather than an instruction to be more careful. A checklist you actually run beats good intentions, which is also why surgeons and pilots use them.
The one that hides
Bias blind spot is the tendency to see biases clearly in other people and not in yourself, and it is one of the few that is stronger in people who know more about the subject. If your total came out low across all eight, that is the first thing to rule out. Ask someone who knows you well to rate you on the same eight and compare. The gaps are the useful part.
Revisiting this every few months tracks something real. A single sitting mostly tracks your mood.
Your answers stay in your browser. Nothing is stored, collected, or sent anywhere.
How we build and check this calculator
This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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