Decision & ChoiceBias #92

Regret Aversion

We avoid decisions that might make us regret later.

The tendency to make decisions specifically aimed at avoiding the potential feeling of future regret even if it compromises optimal outcomes.

Why it matters: Explains why people choose default options stick with status quo and over-insure.

Watch for

Choosing the safe option primarily to avoid potential future remorse.

Try this

Distinguish between regret from a bad outcome and regret from a bad process.

Real-world example

Staying in a mediocre relationship because leaving might lead to regret if you never find someone better.

Key researchers

Graham Loomes, Robert Sugden

First described in 1982

Psychological mechanism

Anticipated regret simulation. The brain simulates future emotional states focusing on the pain of making a wrong choice. This anticipated pain is weighted heavily in current decisions often more than expected value.

Seminal research

Graham Loomes and Robert Sugden (1982), "Regret theory: An alternative theory of rational choice under uncertainty."