The Korean Journal of Applied Statistics (응용통계연구)

The Korean Statistical Society (한국통계학회)
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New Method for Preference Measurement in Ranking-based Conjoint Analysis

순위기반 컨조인트분석에서 선호도측정을 위한 새로운 방법

  • Kim, Bu-Yong (Department of Statistics, Sookmyung Women's University)
  • 김부용 (숙명여자대학교 통계학과)
  • Received : 2013.10.20
  • Accepted : 2013.12.02
  • Published : 2014.04.30
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Abstract

Ranking-based conjoint analysis is widely used in various fields such as marketing research. While the ranking-based conjoint affords several advantages over the rating-based or choice-based conjoint, it has a serious shortcoming that respondents have much difficulty in ranking the product profiles in order of preference when many profiles are involved. This article suggests a new method for the preference measurement to improve the response efficiency. The method employs the concept of ranking sets that let the respondent evaluate a small number of profiles at a time. Through the proposed method, preference rankings of profiles obtained from each ranking set are aggregated to generate overall rankings. The balanced incomplete block design is expanded and transformed to the dual design in order to construct well-balanced ranking sets that can accommodate a large number of profiles. The proposed method is applied to the analysis of consumer preferences for perfume-for-women.

순위기반 컨조인트분석은 마케팅조사를 비롯한 다양한 분야에서 널리 활용되고 있다. 이 분석기법은 다른 기법들에 비하여 몇 가지 장점을 가지고 있는 반면에, 응답자들이 다수의 제품프로파일들에 대한 선호도 순위를 정확하게 평가하기 어렵다는 한계를 가지고 있다. 본 논문에서는 응답효율성을 향상시키기 위하여 순위집합 개념을 도입한 새로운 선호도 측정방법을 제안한다. 응답자에게 순위집합들에 포함된 소수의 프로파일들에 대한 선호도를 순위로 평가하게 한 후 평가결과를 종합하여 프로파일 전체에 대한 순위를 얻는 방법이다. 이 방법에 의하면 응답자가 프로파일들에 대한 선호도 순위를 매기는 작업을 용이하게 할 수 있고 선호도 순위를 효율적으로 평가할 수 있다. 한편, 다수의 프로파일을 수용할 수 있는 순위집합을 체계적으로 구성하기 위하여 균형불완비블록설계를 확장하여 쌍체설계로 전환시키는 방법을 개발하였다. 제안된 측정방법을 채택한 순위기반 컨조인트분석을 여성용 향수제품에 대한 소비자 선호도분석에 실제로 적용하였다.

Keywords

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