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Title: Initial psychometric characterization for the Portuguese version of the Morningness-Eveningness-Stability-Savel improved (MESSi)
Authors: Rodrigues, Pedro F. S.
Vagos, Paula
Pandeirada, Josefa
Marinho, Patrícia
Randler, Christoph
Silva, Carlos F.
Keywords: MESSi
Morning affect
Psychometric characterization
European Portuguese
Issue Date: 2018
Publisher: Taylor & Francis
Citation: Pedro F. S. Rodrigues, Paula Vagos, Josefa N. S. Pandeirada, Patrícia I. Marinho, Christoph Randler & Carlos F. Silva (2018) Initial psychometric characterization for the Portuguese version of the Morningness-Eveningness-Stability-Scale improved (MESSi), Chronobiology International, 35(11), 1608-1618. DOI: 10.1080/07420528.2018.1495646. Disponível no Repositório UPT,
Abstract: This work reports the initial psychometric characterization of the Morningness-EveningnessStability-Scale improved (MESSi) for Portuguese young-adults (N = 466). A confirmatory factor analysis confirmed a three-factor model (i.e. Morning Affect, Eveningness and Distinctness) in our data, as originally proposed. Furthermore, construct validity evidence in relation to external variables (i.e. morningness/eveningness and satisfaction with life), as well as adequate reliability (i.e. internal consistency and test-retest reliability), were found. Finally, sex-based invariance and between-sex differences were investigated for the three subscales, as were correlations with age. Results point to the suitability of the MESSi for multi-cultural research on relevant and multiple aspects of chronotype.
ISSN: 0742-0528
Appears in Collections:INPP - Artigos em Revistas Internacionais / Papers in International Journals

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