A new form of the psychometric function for the unspecified tetrad. (June 2020)

• Record Type: Journal Article
• Authors: Bi, Jian
• Is Part Of: Food quality and preference. Volume 82(2020)
• Publication Date: 2020-06
• Subjects: Unspecified tetrad -- Psychometric function -- Thurstonian discriminal distance δ or d′ -- Modified noncentral t distribution -- Noncentral F distribution; Food preferences -- Periodicals; Food -- Quality -- Periodicals; Food industry and trade -- Quality control -- Periodicals; Préférences alimentaires -- Périodiques; Aliments -- Qualité -- Périodiques; Aliments -- Industrie et commerce -- Qualité -- Contrôle -- Périodiques; Food industry and trade -- Quality control; Food preferences; Food -- Quality; Periodicals; 664
• DOI: 10.1016/j.foodqual.2019.103869
• Languages: English
• ISSNs: 0950-3293

Abstract

Highlights: A new form of the psychometric function for the unspecified tetrad is provided. The new form of the psychometric function is based on a noncentral F distribution. The new form of the psychometric function has practical and theoretical values. Abstract: The tetrad is a popular sensory discrimination method used widely in the sensory and consumer fields. This short communication provides a novel, concise, and elegant form of the psychometric function based on a noncentral F distribution for the unspecified tetrad. The new form of the psychometric function for the unspecified tetrad has practical and theoretical values.