Hence, a norm range can be specified for each assessor, as one half-discriminated disparity on either side of the norm point (NP). Counts of the panelist’s norm ranges for a feature (each person’s NP one HDD) provide a response profile for the panel (Booth, et al., 2003). The individuals’ norm ranges for two influences on acceptance can be aggregated across any subsample of the panel chosen to give a response surface for a segment of the market or a socioeconomic, cultural or biological characteristic of interest. The segmentation of norm-range surfaces presented in this paper is by the individual’s professed reason for purchasing the food product type under investigation.。