Fundamental Attribution Error

The systematic tendency to explain others' behavior in terms of their character ('he's lazy,' 'she's brilliant') while explaining our own behavior in terms of circumstances ('I was tired,' 'I got lucky'). When someone cuts us off in traffic, they're a terrible driver; when we cut someone off, there were extenuating circumstances. This asymmetry means we consistently overestimate the role of personality and underestimate the role of situation in explaining others' behavior—the single most robust finding in social psychology.

When to use it

When evaluating others' performance or behavior, especially negative behavior; when building a culture of accountability that doesn't become a culture of blame; when conducting performance reviews or post-mortems; when you notice yourself making character-based judgments about others while making situation-based excuses for yourself.

How it can help

In organizations, the fundamental attribution error creates a blame culture: failures are attributed to individuals ('who dropped the ball?') rather than systems ('what structural factors made this failure likely?'). The correction: whenever you're explaining someone's behavior by their character, ask 'what situational factors might explain this?' When an employee underperforms, before concluding they're incompetent, examine their tools, training, workload, incentives, and management quality.