Revisiting the Defeatist Performance Belief Scale in Adults With Schizophrenia and Youth at Clinical High-Risk for Psychosis: A Comprehensive Psychometric Analysis
Luther L, Ahmed A, Grant P, Granholm E, Gold J, Williams T, Pratt D, Holden J, Walker E, Arnold L, Ellman L, Mittal V, Zinbarg R, Silverstein S, Corlett P, Powers A, Woods S, Waltz J, Schiffman J, Strauss G. Revisiting the Defeatist Performance Belief Scale in Adults With Schizophrenia and Youth at Clinical High-Risk for Psychosis: A Comprehensive Psychometric Analysis. Schizophrenia Bulletin 2025, sbae220. PMID: 39749462, DOI: 10.1093/schbul/sbae220.Peer-Reviewed Original ResearchDefeatist performance beliefsSchizophrenia spectrum groupClinical high riskNegative symptomsFactor structureCognitive model of negative symptomsMechanisms of negative symptomsModel of negative symptomsNegative symptom improvementNegative symptoms treatmentPhase of psychosisFactor analysisComprehensive psychometric analysisConfirmatory factor analysisExploratory factor analysisPositive symptomsCHR samplesPerformance beliefsMeasurement invarianceDiscriminant validityConvergent validityPsychometric propertiesCognitive modelUnidimensional modelBeliefs Scale
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