Internal consistency, temporal stability and neuropsychological correlates of three cognitive components of the Positive and Negative Syndrome Scale (PANSS)
Bryson G, Bell M, Greig T, Kaplan E. Internal consistency, temporal stability and neuropsychological correlates of three cognitive components of the Positive and Negative Syndrome Scale (PANSS). Schizophrenia Research 1999, 38: 27-35. PMID: 10427608, DOI: 10.1016/s0920-9964(99)00004-3.Peer-Reviewed Original ResearchConceptsNegative Syndrome ScaleSyndrome ScaleInternal consistencyCognitive componentsDSM-IV diagnosisSymptom compositionConcurrent validityDiscriminant validityCognitive dysfunctionCognitive test measuresSchizoaffective disorderPANSS factorsTemporal stabilityNegative symptomsAdequate temporal stabilityPANSS dataFactor analytic studiesSymptomsSchizophrenia researchSimilar psychometric propertiesSchizophreniaDisorganized symptomsNeuropsychological correlatesCognitive domainsPoorer psychometrics