Factorial structure of the Morningness-Eveningness-Stability-Scale (MESSi) and sex and age invariance

dc.contributor.authorPandeirada, Josefa
dc.contributor.authorKasaeian, Ali
dc.contributor.authorWeidenauer, Corina
dc.contributor.authorSilva, Carlos
dc.contributor.authorRandler, Christoph
dc.contributor.authorRodrigues, Pedro F. S.
dc.contributor.authorVagos, Paula
dc.date.accessioned2021-04-29T11:09:08Z
dc.date.available2021-04-29T11:09:08Z
dc.date.issued2019-01
dc.description.abstractAssessing morningness-eveningness preferences (chronotype), an individual characteristic that is mirrored in daily mental and physiological fluctuations, is crucial given their overarching influence in a variety of domains. The current work aimed to investigate the best factor structure of an instrument recently presented to asses this characteristic: the Morningness-Eveningness-Stability-Scale improved (MESSi). For the first time, the originally proposed three-factor structure was pitched against a uni- and a two-factor solution. Another novelty was to establish that the best-fitting model would be invariant in relation to sex and age, two variables that influence chronotype. A Confirmatory Factor Analyses on the data obtained from a sample of 2096 German adults (age: 18–76; M = 25.5, SD = 7.64) revealed that the originally proposed three-factor structure of the MESSi – Morning Affect, Eveningness, and Distinctness – was the only one to achieve acceptable fit indicators. Furthermore, each scale obtained good internal consistency. In order to assess age invariance, following the literature on development and chronotype, our sample was divided into three age groups: 18–21 years, 22–31 years, and 32 years or older. Full measurement invariance of the three-factor model was found for sex and age. Regarding differences between sexes, females did not differ significantly from males in Morning Affect, but scored significantly lower on Eveningness and higher on Distinctness; this last result has been consistent across validation studies of the MESSi. With respect to age differences, the oldest group scored lower on Eveningness and Distinctness in comparison with the other two age-groups; the intermediate group (age: 22–31) scored lower on Morning Affect when compared to both the younger and older age groups. Additionally, both Eveningness and Distinctness were negatively correlated with age. This latter relation has been consistently reported in other validation studies. Our results reinforce the idea that the MESSi assesses three different components of chronotype in a reliable manner and that this instrument can be used to explore sex and age differences.pt_PT
dc.identifier.citationVagos, P., Rodrigues, P., Pandeira, J., Kasaeian, A., Weidenauer, C., Silva, C.F., & Rander, C. (2019). Factorial structure of the Morningness-Eveningness-Stability-Scale (MESSi) and sex and age invariance, Frontiers, 10. Doi: 10.3389/fpsyg.2019.00003. Disponível no Repositório UPT, http://hdl.handle.net/11328/3493pt_PT
dc.identifier.doi10.3389/fpsyg.2019.00003pt_PT
dc.identifier.issn1664-1078
dc.identifier.urihttp://hdl.handle.net/11328/3493
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFrontiers Mediapt_PT
dc.relation.publisherversionhttps://www.frontiersin.org/articles/10.3389/fpsyg.2019.00003/fullpt_PT
dc.rightsrestricted accesspt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMESSipt_PT
dc.subjectThree-factor structurept_PT
dc.subjectSex invariancept_PT
dc.subjectAge-group invariancept_PT
dc.subjectDistinctnesspt_PT
dc.subjectMorning affectpt_PT
dc.subjectEveningnesspt_PT
dc.subjectPsychometric assessmentpt_PT
dc.titleFactorial structure of the Morningness-Eveningness-Stability-Scale (MESSi) and sex and age invariancept_PT
dc.typejournal articlept_PT
degois.publication.titleFrontiers in Psychologypt_PT
degois.publication.volume10pt_PT
dspace.entity.typePublicationen
person.affiliation.nameI2P - Instituto Portucalense de Psicologia
person.affiliation.nameI2P - Instituto Portucalense de Psicologia
person.familyNameRodrigues
person.familyNameVagos
person.givenNamePedro F. S.
person.givenNamePaula
person.identifier.ciencia-idA619-A232-5DDC
person.identifier.ciencia-idC419-AFB7-1569
person.identifier.orcid0000-0002-4155-0987
person.identifier.orcid0000-0003-4372-3930
person.identifier.ridL-3459-2017
person.identifier.ridAAC-3158-2020
person.identifier.scopus-author-id56585404500
person.identifier.scopus-author-id36487351300
relation.isAuthorOfPublication124a51b7-65ee-492d-94e8-6aa833e83d36
relation.isAuthorOfPublication5b849195-f9f5-4388-938d-93de7b8e8516
relation.isAuthorOfPublication.latestForDiscovery124a51b7-65ee-492d-94e8-6aa833e83d36

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