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An Item Response Theory Analysis of the Scales from the International Personality Item Pool and the NEO Personality Inventory-Revised

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dc.contributor.authorMcBride, Nadine LeBarronen
dc.contributor.committeechairHarvey, Robert J.en
dc.contributor.committeememberMullins, Morell E. Jr.en
dc.contributor.committeememberDonovan, John J.en
dc.contributor.departmentPsychologyen
dc.date.accessioned2014-03-14T20:43:01Zen
dc.date.adate2001-08-10en
dc.date.available2014-03-14T20:43:01Zen
dc.date.issued2001-05-10en
dc.date.rdate2004-08-10en
dc.date.sdate2001-08-09en
dc.description.abstractPersonality tests are widely used in the field of Industrial/Organizational Psychology; however, few studies have focused on their psychometric properties using Item Response Theory. This paper uses IRT to examine the test information functions (TIFs) of two personality measures: the NEO-PI-R and scales from the International Personality Item Pool. Results showed that most scales for both measures provided relatively consistent levels of information and measurement precision across levels of theta (q). Although the NEO-PI-R provided overall higher levels of information and measurement precision, the IPIP scales provided greater efficiency in that they provided more precision per item. Both scales showed substantial decrease in precision and information when response scales were dichotomized away from the original 5 point likert scale format. Implications and further avenues for research are discussed.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-08092001-142211en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08092001-142211/en
dc.identifier.urihttp://hdl.handle.net/10919/34430en
dc.publisherVirginia Techen
dc.relation.haspartthesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPersonalityen
dc.subjectItem Response Theoryen
dc.subjectIRTen
dc.titleAn Item Response Theory Analysis of the Scales from the International Personality Item Pool and the NEO Personality Inventory-Reviseden
dc.typeThesisen
thesis.degree.disciplinePsychologyen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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