Posters: Schizophrenia & Related Psychosis

Use of Item Response Analysis to identify an Integrated Negative Symptom Factor of the Positive and Negative Syndrome Scale (PANSS) in Schizophrenia.


Early patterns of symptom profiles on the Positive and Negative Syndrome Scale (PANSS) as predictors of study completion during clinical trials.


Psychopathological characteristics of First Episode, Chronic Inpatients and Ambulatory patients with schizophrenia: A Non-parametric Item Response Analysis.


Validation and normalization of the Russian version of the Positive and Negative Syndrome Scale (PANSS-Ru) in schizophrenia: Preliminary Findings.


A Rasch model analysis to assess cross-cultural differences in Negative Symptoms in Schizophrenia.


Identification of an Integrated Negative Factor in schizophrenia using Item Response Theory.


Development of the Dynamic Social Cognition Battery (DSCB): A comprehensive toolkit utilizing dynamic images to assess social cognition in schizophrenia and related disorders.


Early patterns of symptom profiles using the Positive and Negative Syndrome Scale (PANSS) to inform decisions on the expected response to treatment during clinical trials.


Using generalizability theory to estimate the effect of raters, subjects and timepoints on the reliability of symptom ratings on the Positive and Negative Syndrome Scale (PANSS).


Assessing the sources of unreliability (rater, subject, time-point) of placebo responders using items of the Positive and Negative syndrome Scale (PANSS).


PANSS item reliability: Can standardized rater training improve negative subscale item reliability.


Quantifying rater drift in an international sample of investigators participating in standardized rater training events: Is PANSS reliability maintained?


A pattern recognition matrix for placebo response in schizophrenia.


Inter-rater reliability in the assessment of paediatric schizophrenia using the PANSS: Training results from a Russian cohort.


Three levels of performance in standardized PANSS training.
 
 

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