Oddly Wired
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self perception

You take personal credit for wins but blame external luck.

The self-serving bias is the tendency to attribute success to your internal character and failure to your environment.

When you succeed at a task, you view it as evidence of your ability. When you fail at the same task, you view it as a momentary error caused by the situation.

You are a master of creating narratives that protect your self-image.

Where this comes from

Study
Miller and Ross (1975)
What the check found
The definition is accurate, and the attribution to the 1975 Miller and Ross paper is correct, as it is the seminal review that popularized the synthesis of these findings.
Confidence
Well replicated

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.