The power and limits of personal change: When a bad past does (and does not) inspire in the present.

Observing other people improve their lives can be a powerful source of inspiration. Eight experiments explore the power, limits, and reasons for this power of personal change to inspire. We find that people who have improved from undesirable pasts (e.g., people who used to abuse extreme drugs but no longer do) are more inspiring than people who maintain consistently desirable standings (e.g., people who have never used extreme drugs to begin...