✦ LIBER ✦

A study of the use of a small panel to estimate consumer judgments

✍ Scribed by J. H. Prentice; D. Sheppard

Publisher: John Wiley and Sons
Year: 1955
Tongue: English
Weight: 588 KB
Volume: 6
Category: Article
ISSN: 0022-5142
DOI: 10.1002/jsfa.2740060105

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Two methods of validating the judgments made on butter, compound fat and margarine by a small panel are described. In each case the panel's judgments, made to a rating scale, were compared from time to time with the judgments of larger, consumer, groups. In the first method the averages of the panel members' ratings for each attribute were compared with the averages of the consumer group's ratings, and significant regression coefficients were obtained for the attributes flavour, spreadability and firmness. The panel and the consumers did not agree about texture or overall quality. In the second, fuller, method, the individual panel members' judgments were examined for self‐consistency and possible drift with time, and multiple regression equations were calculated for the estimation of consumer judgments from the panel members' judgments for each attribute.

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