Long-term stability of the Wechsler Intelligence Scale for Children—Third Edition. |
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| Authors: | Canivez, Gary L. Watkins, Marley W. |
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| Abstract: | 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 |
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