Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/7816
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dc.contributor.authorLAENEN, Annouschka-
dc.contributor.authorALONSO ABAD, Ariel-
dc.contributor.authorMOLENBERGHS, Geert-
dc.date.accessioned2008-02-04T16:32:45Z-
dc.date.available2008-02-04T16:32:45Z-
dc.date.issued2007-
dc.identifier.citationPSYCHOMETRIKA, 72(3). p. 443-448-
dc.identifier.issn0033-3123-
dc.identifier.urihttp://hdl.handle.net/1942/7816-
dc.description.abstractA new measure for reliability of a rating scale is introduced, based on the classical definition of reliability, as the ratio of the true score variance and the total variance. Clinical trial data can be employed to estimate the reliability of the scale in use, whenever repeated measurements are taken. The reliability is estimated from the covariance parameters obtained from a linear mixed model. The method provides a single number to express the reliability of the scale, but allows for the study of the reliability's time evolution. The method is illustrated using a case study in schizophrenia.-
dc.description.sponsorshipWe gratefully acknowledge support from the Belgian IUAP/PAI network “Statistical Techniques and Modeling for Complex Substantive Questions with Complex Data.”-
dc.format.extent101.101 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoen-
dc.publisherSPRINGER-
dc.rights© 2007 The Psychometric Society-
dc.subject.otherreliability; linear mixed model; longitudinal data; psychiatry; rating scale-
dc.subject.otherreliability; linear mixed model; longitudinal data; psychiatry; rating scale-
dc.titleA measure for the reliability of a rating scale based on longitudinal clinical trial data-
dc.typeJournal Contribution-
dc.identifier.epage448-
dc.identifier.issue3-
dc.identifier.spage443-
dc.identifier.volume72-
local.format.pages6-
local.bibliographicCitation.jcatA1-
dc.description.notesUniv Hasselt, Ctr Stat Agoralaan Gelouw D, B-3590 Diepenbeek, Belgium.Laenen, A, Univ Hasselt, Ctr Stat Agoralaan Gelouw D, B-3590 Diepenbeek, Belgium.annouschka.laenen@uhasselt.be-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.doi10.1007/s11336-007-9002-7-
dc.identifier.isi000251153500010-
item.fulltextWith Fulltext-
item.accessRightsOpen Access-
item.contributorLAENEN, Annouschka-
item.contributorALONSO ABAD, Ariel-
item.contributorMOLENBERGHS, Geert-
item.fullcitationLAENEN, Annouschka; ALONSO ABAD, Ariel & MOLENBERGHS, Geert (2007) A measure for the reliability of a rating scale based on longitudinal clinical trial data. In: PSYCHOMETRIKA, 72(3). p. 443-448.-
item.validationecoom 2008-
crisitem.journal.issn0033-3123-
crisitem.journal.eissn1860-0980-
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