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A new tool to assess the concept of food quality in children: a validation study

newdigital A new tool to assess the concept of food quality in children: a validation
study
Article
journal STATISTICA & APPLICAZIONI
issue STATISTICA & APPLICAZIONI - 2019 - 1
title A new tool to assess the concept of food quality in children: a validation study
authors


publisher Vita e Pensiero
format Article | Pdf
online since 08-2020
doi 10.26350/999999_000022
issn 18246672 (print)
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Childhood is the most relevant period for the formation of food preferences. Political institutions, educational agencies and health professionals are quite interested in the evaluation of the actual knowledge of food quality in children because it offers the opportunity to plan educational actions aimed at promoting the health and quality of life of today’s and tomorrow’s citizens. In this paper, we proposed a questionnaire to measure the level of knowledge of the food quality in children. We selected, as the target population, students of lower secondary schools and we adopted a multidimensional approach to the concept of food quality that involved six dimensions. We investigated the internal construct validity and reliability of the scales developed for these six dimensions applying the Rasch model and a differential item functioning analysis. Moreover, we validated the overall scale of the knowledge of food quality through a Second-order Structural Equation Modelling within a Confirmatory Factor Analysis. The results of our study provide information useful to define and implement educational actions in food quality, in general, or specifically in one or more of food quality dimensions.

keywords

Rasch Model, Differential Item Functioning Analysis, Second-order Structural Equation Modelling, Confirmatory Factor Analysis.

Authors biography

Dipartimento di Economia e Management - Universita` di Brescia - C.da S. Chiara, 50 - 25122 BRESCIA (e-mail: silvia.golia@unibs.it); Agrofood Lab, Department of Molecular and Translational Medicine - Universita` di Brescia - Viale Europa, 11 - 25123 BRESCIA (e-mail: anna.simonetto@unibs.it; b.malo@studenti.unibs.it; gianni.gilioli@unibs.it).