Robert E. Kaplan and Robert B. Kaiser

Dividing qualities into “strengths” and “weaknesses” implicitly ignores strengths overdone. Given this incomplete mental model, it is no surprise that most leadership 360s employ five-point rating scales in which high scores are the best. Such tools overlook a key lesson from decades of research on derailment: More is not always better, and executives lose their jobs when their strengths become weaknesses through overuse.