Abstract
The chief managers in a select key performance index (KPI) for real-time tasks execution to keep enterprise performance improvement. How to select correct and effective KPI is important. Therefore, the objectives of this study are following, 1) To check the effectiveness of KPI of a quality department in a case company. 2. To fine the difference of KPI among chief mangers and department. A questionnaire was surveyed to find out the rankings of each department KPI, and the top 5 KPI were selected as critical KPI. After a series of verification, the result indicated that “Capacity Rate” was the most important critical KPI. However, the critical KPI among department and chief managers were not exactly the same, which need further communication to improve effectiveness of KPI for enterprise performance.