An analysis of the activities of key managers in 31 case studies suggests that managers who consistently accomplish a lot are notably inconsistent in their manner of attacking problems. These high achievers persist, however, in careful situational analysis and self-discipline, which permits them to be inconsistent in personal and managerial style. They consider operating skills and strategies flexible and adjust these to changing circumstances. They recognize classical patterns of problems and solutions and are able to choose discriminatingly among the wide variety of action-techniques available.