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ISSN : 1229-6783(Print)
ISSN : 2288-1484(Online)
Journal of the Korea Safety Management & Science Vol.15 No.1 pp.241-248
DOI : https://doi.org/10.12812/ksms.2013.15.1.241

Kano 모델을 이용한 수정된 중요도-만족도 분석

송 해 근*
*성균관대학교 시스템경영공학과

A modified Importance-Satisfaction analysis using Kano's model

Hae-Geun Song*
*Department of Systems Management Engineering, Sungkyunkwan University
Received January 17, 2013; Revision Received March 11, 2013; Accepted March 11, 2013.

Abstract

Importance-Performance Analysis(IPA) is a well-known methodology to find the area for improvement.However, the IPA uses different strategies depending on an attribute falls in either 'Concentrate', 'Keep up','Possible overkill', or Low priority' quadrant. Problems can occur when attributes locate near the demarcationlines. To solve this problem of IPA, I suggest a modified importance-satisfaction analysis which integrates theSlack(1994)'s diagonal approach and Kano's ASC(Jang et al., 2012) into Yang(2003)'s Importance-Satisfactionmodel. For this, I investigated 21 smartphone's quality attributes, which adopted from Song and Park(2012)'sstudy, and conducted a survey of 280 university students for the results of Kano' model and the importanceand satisfaction of the quality attributes. The results show that the proposed model enables the businessmanagers to prioritize the quality attributes for improvement through the interpretation on the continuousdiagonal line using the Kano's questionnaire only, without acquiring any additional survey for importance ofattributes. Accordingly, it is expected that the newly proposed method will diminish the limitation of theexisting IPA. In addition, to test the validity of the ASC, this study conducts a comparative analysis betweenthe Kano's ASC and Tontini(2007)'s method to determine the relative importance of quality attributes.

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