Abstract
The purpose of this study was to investigate whether customers' fashion involvement, brand familiarity, and expertise of negative information moderate the influence of the original brand attitudes on the attitude toward extended brand attitudes in the fashion market. For these purposes, four hypotheses were developed and data was collected from 480 students. Data was analyzed using SPSS methods such as factor analysis, frequency, 1-test, and moderated regression analysis. The results were as follows; first, it was found that the original brand attitudes positively influence the extended brand attitudes. Second, the influence of the original brand attitudes on the extended brand attitudes was stronger when fashion involvement was high rather than low. Third, in the case that perceived similarity between the original and the extended product classes was high, the influence of the original brand attitudes on the extended brand attitudes was stronger when brand familarity was high. Fourth, the influence of original brand attitudes on the extended brand attitudes was stronger when the perceived expertise of negative information source on the extended brand was high. Therefore, the results suggest that extending brands requires the systematic brand management considering customers' variables such as fashion involvement, brand familiarity, negative information etc. Also, it seems that the brand strategy should be based on the segmentation for targeted customers' characteristics.