Rasch Models: How (In-)Coherently are they Showed and Used?

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dc.contributor.authorSan Martin, Ernesto
dc.date.accessioned2024-01-10T13:17:03Z
dc.date.available2024-01-10T13:17:03Z
dc.date.issued2015
dc.description.abstractRasch models are widely used for the analysis of educational data. In practice, estimates of difficulties of items and abilities of examinees are reported. However, the meaning of the terms "difficulty" and "abilities" are never made explicit. The meaning of these terms does not depend on the estimations; they should be interpreted with respect to the eventual meaning of both item difficulties and individual abilities. This paper shows that the meaning of the terms "difficulty" and "ability" depends on the way in which the Rasch model is specified. In the psychometric literature, Rasch models are specified in two different ways: one specifies the observable only, whereas the other one specifies both observable and unobservable. The first specification is due to Rasch himself, the second one is due to Lord.
dc.format.extent12 páginas
dc.fuente.origenWOS
dc.identifier.doi10.15517/ap.v29i119.18911
dc.identifier.eissn2215-3535
dc.identifier.issn0258-6444
dc.identifier.urihttps://doi.org/10.15517/ap.v29i119.18911
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/78633
dc.identifier.wosidWOS:000366820500009
dc.information.autorucMatemática;San Martin E;S/I;1001052
dc.issue.numero119
dc.language.isoes
dc.nota.accesoSin adjunto
dc.pagina.final102
dc.pagina.inicio91
dc.publisherUNIV COSTA RICA, INST INVESTIGACION PSICOLOGICAS
dc.revistaACTUALIDADES EN PSICOLOGIA
dc.rightsregistro bibliográfico
dc.subjectLocal independence axiom
dc.subjectlatent trait
dc.subjectitem difficulty
dc.subjectodds ratio
dc.subjectinverse probability
dc.subjectIDENTIFICATION
dc.titleRasch Models: How (In-)Coherently are they Showed and Used?
dc.typeartículo
dc.volumen29
sipa.codpersvinculados1001052
sipa.indexWOS
sipa.indexScielo
sipa.trazabilidadCarga SIPA;09-01-2024
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