K-BITKaufman Brief Intelligence Tests
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Tabla 1 Media, desviacion tipica y tamano de efecto de las diferencias entre grupos en las pruebas de inteligencia Grupo TA Grupo control (n = 10) (n = 10) Instrumento Variables M DT M DT K-BIT Total (PT) 105,10 9,32 106,90 11,78 Voc.
Critically, however, the K-BIT has no such component, and yet one or more of the three IRAP measures correlated with the overall IQ and/or subtest measures.
On balance, however, the fact that flexibility in relational responding loads onto the verbal and not the matrices subscale may simply be a function of the specific type of verbal and matrices tasks employed in the K-BIT.
Second, all the participants were exposed to the K-BIT before they had completed the two IRAPs.
A CD-ROM search of Psychological Abstracts and ERIC revealed three studies in which differences in IQs between the WISC-R and the K-BIT were reported.
These three studies provide evidence that K-BIT scores are generally lower than their WISC-R counterparts.
The three WISC-R IQs, Full Scale, Verbal, and Performance, were obtained from the previous psychological evaluation, and the K-BIT Composite, Vocabulary, and Matrices scores were obtained from the psychological reevaluation three years later.
Mean scores on the WISC-R and the K-BIT are shown in Table 1.
Correlations between students' WISC-R and K-BIT scores are shown in Table 2.
Similar to Prewett (1992b) but in contrast to Kaufman and Kaufman (1990) and Prewett (1992a), the WISC-R Full Scale IQ and K-BIT Composite provided surprisingly similar mean scores, with the Full Scale IQ only 1.
Coinciding with Kaufman and Kaufman (1990) and Prewett (1992a, 1992b), the WISC-R and K-BIT scores were highly correlated, sharing 62 to 66% variance.