Based on the Kano model analysis, a formula to calculate the importance rating of achieving the improvement increment of competitive seating arrangement was presented, and then the correct factors of the fundamental importance ratings were determined.

• 基于卡诺模型的分析，提出了实现顾客需求竞争位次改进增量的重要性计算公式，进而确定了基本重要度的修正因子。