Interpretation of the RBANS in Inpatient Psychiatry: Clinical Normative Data and Prevalence of Low Scores for Patients with Schizophrenia
Why this work is in the frame
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Bibliographic record
Abstract
The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS; Randolph, 1998 Randolph , C. ( 1998 ). Repeatable battery for the assessment of neuropsychological status manual . San Antonio , TX : The Psychological Corporation . [Google Scholar]) is a screening battery designed to measure attention and processing speed, expressive language, visual-spatial and constructional abilities, and immediate and delayed memory. Clinical normative data for a large sample of inpatients and outpatients with schizophrenia spectrum disorders is available (Wilk, Gold, Humber, Dickerson, Fenton, & Buchanan, 2004 Wilk , C. M. , Gold , J. M. , Humber , K. , Dickerson , F. , Fenton , W. S. , & Buchanan , R. W. ( 2004 ). Brief cognitive assessment in schizophrenia: Normative data for the Repeatable Battery for the Assessment of Neuropsychological status . Schizophrenia Research , 70 ( 2–3 ), 175 – 186 .[Crossref], [PubMed], [Web of Science ®] , [Google Scholar]). The purpose of this study was to replicate and extend the clinical normative data for the RBANS for use in inpatient psychiatry. Participants were 174 inpatients from a provincial psychiatric hospital with a diagnosis of schizophrenia spectrum disorder. Median performance on the RBANS was 1–2 standard deviations (SDs) below the mean. Patients with more than 12 years of education performed significantly better on every index score than patients with 12 or fewer years of education. Men performed better than women on the Visuospatial/Constructional Index (Cohen's d = .47). When examining all five Index scores simultaneously, it was common for inpatients to obtain three or more frankly impaired scores (i.e., less than the 2nd percentile). Overall, the performance of this inpatient sample was very similar to the clinical normative data presented by Wilk et al. (2004 Wilk , C. M. , Gold , J. M. , Humber , K. , Dickerson , F. , Fenton , W. S. , & Buchanan , R. W. ( 2004 ). Brief cognitive assessment in schizophrenia: Normative data for the Repeatable Battery for the Assessment of Neuropsychological status . Schizophrenia Research , 70 ( 2–3 ), 175 – 186 .[Crossref], [PubMed], [Web of Science ®] , [Google Scholar]). Detailed normative tables by diagnosis, education, and gender are provided.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it