Abstract / Description of output
Background. The stability of the National Adult Reading Test (NART) as a measure of pre-morbid intelligence in schizophrenia has not yet been satisfactorily established despite the widespread use of the NART in schizophrenia research. Method. We examined NART stability in a diverse group of 45 schizophrenic patients in a prospective longitudinal study over 6.5-7.5 years. Results. The results showed that NART performance does not decline significantly with increasing duration of schizophrenic illness and that test-retest reliability, even over 6.5-7.5 years, is extremely high. Discussion. Our results provide the necessary evidence that the NART can be used as a stable measure of pre-morbid intelligence in schizophrenia.
Original language | English |
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Pages (from-to) | 717-720 |
Number of pages | 4 |
Journal | Psychological Medicine |
Volume | 30 |
Issue number | 3 |
DOIs | |
Publication status | Published - 31 May 2000 |