Subjective heterogeneity in response attitude for multivariate ordinal outcomes

Simone, Rosaria; Tutz, Gerhard und Iannario, Maria (2020): Subjective heterogeneity in response attitude for multivariate ordinal outcomes. In: Econometrics and Statistics, Bd. 14: S. 145-158

Abstract

Traditional statistical models with random effects account for heterogeneity in the population with respect to the location of the response in a subject-specific way. This approach ignores that also uncertainty of the responses can vary across individuals and items: for example, subject-specific indecision may play a role in the rating process relative to questionnaire items. In this setting, a generalized mixture model is advanced that accounts for subjective heterogeneity in response behaviour for multivariate ordinal responses: to this aim, random effects are specified for the individual propensity to a structured or an uncertain response attitude. Simulations and a case study illustrate the effectiveness of the proposed model and its implications. (c) 2019 EcoSta Econometrics and Statistics. Published by Elsevier B.V. All rights reserved.

• Dokumententyp: Zeitschriftenartikel
• Fakultät: Mathematik, Informatik und Statistik > Statistik
• Themengebiete: 500 Naturwissenschaften und Mathematik > 510 Mathematik
• ISSN: 2468-0389
• Sprache: Englisch