Long-term stability of the Wechsler intelligence scale for Children - Third edition
Long-term stability of the Wechsler intelligence scale for Children - Third edition
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DOI:
10.1037/1040-3590.10.3.285
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发表时间:
1998-09-01
影响因子:
3.6
通讯作者:
Watkins, MW
中科院分区:
文献类型:
--
作者:
Canivez, GL;Watkins, MW
Long-term stability of the Wechsler Intelligence Scale for Children-Third Edition (WISC-III; D. Wechsler, 1991) was investigated with a sample of 667 students from 33 states twice evaluated for special education consideration. With an average test-retest interval of 2.87 years, test-retest reliability coefficients for the Verbal IQ, Performance IQ, and Full Scale IQ were .87, .87, and .91, respectively (p < .0001). As expected, test-retest reliability coefficients for the subtests were generally lower than for global IQ and factor index scores. Mean differences from first testing to second testing were either not statistically significant or not clinically meaningful. Results provided the highest estimates of long-term stability for the WISC-III yet reported.