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External validity of market segmentation methods: A study of buyers of prestige cosmetic brands

Taehyun Kim (Elizabeth Arden Korea, Seoul, South Korea)
Hoon‐Young Lee (Department of Business Administration, Kyung Hee University, Seoul, South Korea)

European Journal of Marketing

ISSN: 0309-0566

Article publication date: 15 February 2011

9404

Abstract

Purpose

The purpose of this paper is to compare and validate the results of two clustering methods for the segmentation of the market for prestige cosmetics in Korea, and to draw conclusions about their general practical usability.

Design/methodology/approach

Segmentation schemes based on scaled data collected by questionnaire from 480 female shoppers, selected by the mall intercept procedure, were analysed for validity, model fit, definability of profiles, and usability of results.

Findings

Segmentation by traditional K‐means clustering was not judged useful, whereas segments generated by the innovative alternative of mixture regression modelling had clear marketing strategy potential.

Research limitations/implications

Given the single‐country and single‐market context of the study, its outcomes and implications must be generalised cautiously.

Practical implications

Mixture regression can make a significant contribution to the implementation of segmentation strategies based on deliverable consumer benefits, by helping academics and practitioners to better understand, explain and predict patterns of consumer behaviour.

Originality/value

A segmentation model with proven validity offers a sound basis for such marketing strategies as, for example, positioning.

Keywords

Citation

Kim, T. and Lee, H. (2011), "External validity of market segmentation methods: A study of buyers of prestige cosmetic brands", European Journal of Marketing, Vol. 45 No. 1/2, pp. 153-169. https://doi.org/10.1108/03090561111095630

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited

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