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WAIS-R short forms in chronic schizophrenia
C D Missar1, J M Gold, T E Goldberg
1Clinical and Research Services Branch, NIMH, NIMH Neuroscience Center, St. Elizabeths, Washington, DC 20032.
Schizophrenia Research
|June 1, 1994
Summary
This study evaluated short forms of the Wechsler Adult Intelligence Scale-Revised (WAIS-R) for screening cognitive ability in schizophrenia patients. The four-subtest short form offered the most reliable Full Scale IQ estimation for this population.
Area of Science:
- Psychology
- Neuroscience
- Clinical Assessment
Background:
- Short forms of the Wechsler Adult Intelligence Scale-Revised (WAIS-R) are used for rapid cognitive ability screening.
- Assessing cognitive function is crucial in understanding chronic schizophrenia.
Purpose of the Study:
- To evaluate the psychometric properties of three Kaufman (1990) WAIS-R short forms.
- To determine the most reliable WAIS-R short form for assessing general cognitive ability in chronic schizophrenia patients.
Main Methods:
- The study included 114 patients diagnosed with chronic schizophrenia.
- Three different WAIS-R short forms were administered and compared.
Main Results:
- The four-subtest WAIS-R short form demonstrated the highest reliability in estimating Full Scale IQ.
- This specific short form showed the most merit for the studied patient group.
Conclusions:
- The four-subtest WAIS-R short form is a reliable tool for cognitive screening in chronic schizophrenia research.
- Findings support the use of this short form for efficient assessment in clinical research settings.