IDEA FOUND // IDEA 30
Self-Serving Bias
“Success speaks of talent; failure speaks of circumstances. Who is assigning the credit?”
01 / PLAINLY
What it means, plainly
On average, people tend to credit themselves more for good outcomes and circumstances more for bad ones.
02 / CONTEXT
A little more
On average, people tend to explain favorable outcomes through their own traits or actions and adverse outcomes through external factors. Culture, mood, and situation type moderate the pattern.
03 / WHY IT MATTERS
Why it matters
Using different rules for success and failure can hide both our actual contribution and the external conditions we need to learn from.
04 / EXAMPLE
A familiar example
After closing a sale, someone highlights their negotiation; after losing another, they cite the market, although both factors were present each time.
05 / LIMIT
What it does not mean
It does not justify treating every favorable explanation as an excuse or diagnosing dishonesty in an individual.
06 / NOTICE
Notice it in your day
Compare one favorable result with one adverse result. For each, fill in the same three boxes: your actions, circumstances, and chance.
FINAL NOTE
The idea worth keeping
For both successes and failures, use the same list of internal, external, and chance causes.
QUESTIONS / 02
Questions people still have
Does this bias show that someone is lying?
No. It describes an average pattern of explanation and cannot diagnose intention or dishonesty in an individual.
Does it appear the same way for everyone?
No. Culture, mood, and the kind of situation can change the pattern.