The study sought to identify the higher-level psychotic factors measured by the Inpatient Multidimensional Psychiatric Scale (IMPS). 10 IMPS syndrome scores of 2,303 functional psychotics, rated while on a minimum of drugs, were intercorrelated. A principal axis factor analysis and an oblique rotation yielded 5 dimensions labeled Disorganized Hyperactivity, Schizophrenic Disorganization, Paranoid Process, Anxious Depression, and Hostile Paranoia. The findings are compared with the 3 groupings proposed by Phillips and Rabinovitch and with factors isolated in earlier studies.
The study goal was to test the equivalence of ten dimensions of psychotic behavior across two measuring media. The data consisted of ratings of 814 newly admitted schizophrenics made in the interview and on the ward. The factored. A least squares solution of a hypothesis matrix yielded ten clear factors of which eight were defined both by ward and interview measures.
A battery of tests was given to 447 studenits in the secondary schools of Alcoa, Tennessee. The tests were composed of the Lorge-Thorndike Intelligence Tests, and five selected creativity tests. The combined battery of tests was factor analyzed and rotated to an oblique simple structure, and then to a hierachical solution. Three factors were found: the verbal intelligence and reasoning factors identified in many previous studies, and a creativity faotor. The structure was very oblique. The second order factor, g, was found to count for 77% of the variance of the verbal facbor, 89% of the reasoning factor and 48% of the creativity factor. These results were compared with those of previous studies of creativity and intelligence.
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