1997
Positive and negative affect recognition in schizophrenia: a comparison with substance abuse and normal control subjects
Bell M, Bryson G, Lysaker P. Positive and negative affect recognition in schizophrenia: a comparison with substance abuse and normal control subjects. Psychiatry Research 1997, 73: 73-82. PMID: 9463840, DOI: 10.1016/s0165-1781(97)00111-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAffective SymptomsAnalysis of VarianceCase-Control StudiesChi-Square DistributionEmotionsFemaleHumansMalePsychology, ExperimentalPsychometricsReference ValuesReproducibility of ResultsSampling StudiesSchizophrenic PsychologySocial PerceptionSubstance-Related DisordersVideotape RecordingConceptsAffect recognitionSchizophrenia sampleSocial skills impairmentSubstance abuseHigh EE familiesSubstance-abusing subjectsSignificant group differencesRecognition deficitsAffect statesSkill impairmentStimulus presentationTest-retest reliabilityDifferential impairmentPredominant affectAffect interactionEE familiesDifficulty of itemsSchizophrenia groupGroup differencesBrain functionSchizophrenia subjectsMild rangeSevere rangeModerate rangeAbuse subjects
1994
Five-component model of schizophrenia: Assessing the factorial invariance of the positive and negative syndrome scale
Bell M, Lysaker P, Beam-Goulet J, Milstein R, Lindenmayer J. Five-component model of schizophrenia: Assessing the factorial invariance of the positive and negative syndrome scale. Psychiatry Research 1994, 52: 295-303. PMID: 7991723, DOI: 10.1016/0165-1781(94)90075-2.Peer-Reviewed Original Research