No description available.

The specific objectives of this investigation are as follows: 1. To determine which half -- verbal half or performance half -- of the Wechsler-Bellevue Intelligence Test contributes most to total intelligence quotient for schizophrenics. 2. To determine whether any significant correlation exists between test scores and patterns of schizophrenics and normals. 3. To determine whether there exists any premature aging process in schizophrenics.

No description available.

No description available.

Recent national longitudinal studies of special education students indicate that schools should concentrate on developing students' skills matched to the requirements of their potential occupations. Evidence suggests that the experience of career development among adolescents with learning disabilities is especially frustrating without early exploration and planning. This study investigates the value of using available psychometric data in assisting the school psychologist and other professionals to make initial exploratory estimates of vocational aptitude without referring the student for specialized vocational assessment. General Aptitude Test Battery (GATB) and Wechsler Adult Intelligence Scale-Revised (WAIS-R) scores were used in multiple regression analyses to examine the predictive relationships existing between the two instruments. The population studied included 172 adolescents wi th learning disabilities enrolled in a public school division. The analyses in this study reveal a high degree of validity between the GATB and WAIS-R. However, the prediction equation appears unsuitable for using the WAIS-R subtests for predicting GATB aptitudes. Aptitude F explains the highest degree of variance. Other squared multiple regressions range as low as .13 for Aptitude Q to as high as .52 for Aptitude S. Results suggest that even though the GATB and WAIS-R share common variance, there is enough independent information provided by each test to warrant employing both in order to insure that the students' vocational aptitudes are fully diagnosed. Implications for school psychologists and other professionals doing exploratory assessments of vocational aptitude from available WAIS-R subtests are discussed, as are assessment issues regarding adolescents with learning disabilities. / Ph. D.

A growing body of opinion, research, and legislation [PL 98-524] implies that school psychological evaluations with adolescents and young adults should routinely include estimates of vocational interests and aptitude. Certainly all secondary level special education evaluations should include this important vocational component. Evidence suggests that the experience of career development among learning disabled young adults is particularly frustrating and difficult without early planning and exploration of options. This study examines the utility of traditionally available psychometric data in assisting the clinician make initial, exploratory estimates of vocational aptitude without referring the client for specialized testing. Wechsler Adult Intelligence Scale - Revised [WAIS-R], and General Aptitude Test Battery [GATB] scores were subjected to a multivariate, canonical correlation analysis to examine the overlap among constructs estimated by these sets of variables. The sample was composed of 148 learning disabled young adults enrolled in a state supported vocational rehabilitation program. Three significant canonical correlations were interpreted. The redundancy index showed that 34% of the variance in GATB aptitudes is explained by three linear combinations of WAIS-R subtest scaled scores, and that 31% of the WAIS-R subtest variance is predictable from three composites of GATB aptitude scores. Analysis of the structure correlations suggests that the first pair of canonical variates [Rc = .87] share a general intelligence, or verbal comprehension factor. A second pair [Rc= .73] share a perceptual and motor coordination construct. The third pair of canonical variates [Rc = .61] define a perceptual speed, or psychomotor construct that overlaps both the GATB and the WAIS-R set of test scores. There is evidence that GATB and WAIS-R estimate similar, but essentially independent dimensions of the same three psychoeducational constructs. WAIS-R may provide better estimates of fluid ability than GATB; and GATB may provide better estimates of crystallized ability than WAIS-R. Clinical implications for psychologists making exploratory estimates of vocational ability and aptitude from clinical profiles of WAIS-R scaled scores are discussed. Assessment issues with respect to the learning disabled young adult are also presented. [175 references] / Ed. D.

The present study explored the possibility of applying Koppitz's developmental scoring techniques of mental maturity to retarded adults. The following hypotheses were tested: 1) that there is a significant correlation between the Koppitz HFD Test scores and the WAIS Full Scale scores; 2) that the correlation between the Koppitz HFD Test scores and the WAIS Performance Scale scores is also significant. Statistical computations did confirm the latter hypothesis but not the former one.

<p>Trettio kognitivt friska testpersoner (ålder M=31,9 år, utbildning M=16,3 år) testades med både WAIS-III (”Wechsler Adult Intelligence Scale - third edition”) och WAIS-III NI (”WAIS-III som neuropsykologiskt instrument”) för att undersöka eventuella skillnader i resultat mellan testen. Testpersonerna fick en signifikant ökning vid testning med WAIS-III NI jämfört med testning med WAIS-III på HIK (11,1), VIK (14,7), PIK (3,9), VF (11,4), POI (5,5), AMI (8,8), BK (1,6), LI (3,3), BL (0,6), AR (3,1), SR (1,1), IN (1,5) och FÖ (2,8). Det fanns en signifikant positiv korrelation mellan ålder och hur stor diskrepansen var mellan de olika versionerna för BL (r=0,379, p=0,039) och MA (r=0,413, p=0,023) samt en negativ korrelation mellan ålder och diskrepansen på FÖ (r=-0,422, p=0,020). Det fanns en signifikant negativ korrelation mellan utbildningsnivå och hur stor diskrepansen var mellan de olika versionerna av AR (r=-0,399, p=0,029).</p>

Trettio kognitivt friska testpersoner (ålder M=31,9 år, utbildning M=16,3 år) testades med både WAIS-III (”Wechsler Adult Intelligence Scale - third edition”) och WAIS-III NI (”WAIS-III som neuropsykologiskt instrument”) för att undersöka eventuella skillnader i resultat mellan testen. Testpersonerna fick en signifikant ökning vid testning med WAIS-III NI jämfört med testning med WAIS-III på HIK (11,1), VIK (14,7), PIK (3,9), VF (11,4), POI (5,5), AMI (8,8), BK (1,6), LI (3,3), BL (0,6), AR (3,1), SR (1,1), IN (1,5) och FÖ (2,8). Det fanns en signifikant positiv korrelation mellan ålder och hur stor diskrepansen var mellan de olika versionerna för BL (r=0,379, p=0,039) och MA (r=0,413, p=0,023) samt en negativ korrelation mellan ålder och diskrepansen på FÖ (r=-0,422, p=0,020). Det fanns en signifikant negativ korrelation mellan utbildningsnivå och hur stor diskrepansen var mellan de olika versionerna av AR (r=-0,399, p=0,029).

Thesis (Ph. D.)--University of California, San Diego, 2000. / Vita. Includes bibliographical references (leaves 154-163).