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121.
The factor structure of the Reynolds Intellectual Assessment Scales (RIAS; [Reynolds, C.R., & Kamphaus, R.W. (2003). Reynolds Intellectual Assessment Scales. Lutz, FL: Psychological Assessment Resources, Inc.]) was investigated with a large (N = 1163) independent sample of referred students (ages 6-18). More rigorous factor extraction criteria (viz., Horn's parallel analysis (HPA); [Horn, J.L. (1965). A rationale and test for the number of factors in factor analysis. Psychometrika, 30, 179-185.], and Minimum Average Partial (MAP) analysis; [Velicer, W.F. (1976). Determining the number of components from the matrix of partial correlations. Psychometrika, 41, 321-327.]), in addition to those used in RIAS development, were investigated. Exploratory factor analyses using both orthogonal and oblique rotations and higher-order exploratory factor analyses using the Schmid and Leiman [Schmid, J., and Leiman, J.M. (1957). The development of hierarchical factor solutions. Psychometrika, 22, 53-61.] procedure were conducted. All factor extraction criteria indicated extraction of only one factor. Oblique rotations resulted in different results than orthogonal rotations, and higher-order factor analysis indicated the largest amount of variance was accounted for by the general intelligence factor. The proposed three-factor solution was not supported. Implications for the use of the RIAS with similarly referred students are discussed. 相似文献
122.
This study investigates whether exposure to allomaternal care (AMC—care for infants from individuals other than the mother) improves rates of communicative behaviors during late infancy by providing more opportunities to practice communicating with varied caregivers. Data were collected from 102 typically-developing infants aged 13–18 months and their mothers. AMC variables were collected using a current care questionnaire, structured 14-day diary, and longitudinal interview. Communicative behaviors were assessed through post hoc microcoding of in-lab administrations of the Early Social Communication Scales (ESCS), as well as additional microcoding of the Bayley III Screening Cognitive Subtest. Demographic covariates were also included. For each communicative behavior, backward model selection was used to determine the best fitting linear regression model. Results suggested that rates of turn-taking decreased with Household AMC (p < 0.008), but increased with two or more siblings present at home (p < 0.01). Conversely, rates of spontaneous giving increased with Household AMC (p < 0.003) regardless of the presence of siblings. Notably, exposure to more AMC was neither helpful nor harmful for many of the tested communicative behaviors, although the number of siblings present was significantly related to rates of following commands, as well as pointing and reaching. Ultimately, this study suggests that household level experiences with AMC, rather than formalized care, impact the development of some communicative behaviors during late infancy. 相似文献
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124.
Factor analytic studies indicate that family relationships assessed by self-reports may be most clearly and parsimoniously differentiated along three dimensions, namely, Affective Expression, Behavioral Control, and Shared Activity. The present study explored the question of whether this were true of family ratings by outside parties. Confirmatory factor analysis was used with three data sets (n = 97, 91, and 95; N = 283) employing the Beavers Interactional Scales of family functioning. Multicollinearity of the observed variables was a pervasive problem. When the redundancy of the observed variables was pared down so that there were two observed variables for each latent factor, these three factors in oblique relationship provided a good fit to the observed data. 相似文献
125.
126.
Reaction times of nine subjects with severe Broca's aphasia were measured to verbal stimuli presented monaurally to their left or right ears. The aphasic subjects showed left-ear advantages in reaction times to verbal stimuli, paralleling dichotic findings among aphasic patients. The results are interpreted as consistent with right-hemisphere language processing. 相似文献
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128.
S H Greenblatt 《Brain and cognition》1984,3(3):249-258
Using the classical clinico-anatomical correlation method of the French clinical school, Paul Broca confirmed the localization of "language" in the frontal lobe. He actually discovered the lateralization of language in the left hemisphere. These contributions eventually led to the demise of the older concept of the "sensorium commune," because Broca's ideas implied the presence of motor functions in the hemispheres. Although Broca worked within the theoretical motif of the "faculty" psychology, the reflex-oriented "associationist" psychology soon became the predominant theoretical framework of localization, because it accommodated the motor aspect of hemispheric function. Since Broca's time, the study of the biology of language has proceeded along two parallel but sometimes separate lines in the experimental and clinical traditions. 相似文献
129.
Joseph J. Ryan Samuel J. Rosenberg Robert L. Heilbronner 《Journal of psychopathology and behavioral assessment》1984,6(1):37-43
This study investigated whether the Wechsler Adult Intelligence Scale — Revised (WAIS-R) and Wechsler Adult Intelligence Scale (WAIS) demonstrate similar patterns of relationship with the Wechsler Memory Scale (WMS). Sixty VA patients were administered the WAIS-R and WMS and 60 completed the WAIS and WMS. The groups were comparable in terms of demographic variables. Pearson correlations were computed between the subtest and IQ scores from the intelligence scales and the scores from the WMS for each group. Comparison of the resulting correlations for the WAIS-R group with those of the WAIS subjects demonstrated only four significant differences, indicating that the WAIS-R and WAIS variables covary in a similar manner with the WMS scores. Following factor analysis of the test data for both groups, coefficients of congruence indicated a high degree of similarity between the two factor solutions. Essentially the same relationships emerged between intelligence variables and the WMS regardless of which scale was administered. 相似文献
130.
Although many follow-up studies have been performed on preterm infants, little attention has been devoted to prediction of motor skills in the preschool or school years. We studied the relationship of performance on the Bayley Scales of Infant Development at a mean corrected age of 21 months to performance on the McCarthy Scales of Children's Abilities at a mean corrected age of 44.7 months for 43 appropriate-for-gestational-age (AGA) children born at ≤ 32 weeks gestation. Motor scores were stable over time with a significant correlation between the Bayley Psychomotor Developmental Index (PDI) and the McCarthy Motor subscale (r = 0.60; p = 0.0001). Scores of cognitive abilities also showed a significant correlation between the Bayley Mental Developmental Index (MDI) and the McCarthy General Cognitive Index (r = 0.42; p = 0.009). Small-for-gestational-age (SGA), very low-birthweight (≤ 1500 grams) children scored lower on the McCarthy General Cognitive Index (p = 0.01) and on the Motor subscale (p = 0.047) than the AGA children. We concluded that motor performance of AGA children born at ≤ 32 weeks gestation is stable from toddlerhood to preschool age. We suggest that SGA children be excluded from studies of motor performance of prematurely born children. 相似文献