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WISC Series
Here's the "family tree" of the Weschler derived IQ
tests, which began with the 1939 WB test.
1939 Wechsler-Bellevue Intelligence Scale (WB): Ages 7-69
1946 Wechsler-Bellevue Intelligence Scale-2nd Edition (WB-II)
1949 Wechsler Intelligence Scale for Children (WISC®): Ages 5-15.11
1955 Wechsler Adult Intelligence Scale (WAIS®): Ages 16-64
1967 Wechsler Preschool and Primary Scale of Intelligence (WPPSI®): Ages 4-6.5
1974 WISC-R: Ages 6-16 (product
info)
1981 Wechsler Adult Intelligence Scale-Revised (WAIS-R®) (product
info)
1989 Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R®):
Ages 3-7.3
1991 Wechsler Intelligence Scale for Children, 3rd Edition (WISC-III®): Ages
6-16
1991 Wechsler Adult Intelligence Scale-Revised as a Neuropsychological
Instrument (WAIS-R-NI)
1997 Wechsler Adult Intelligence Scale III (WAIS-III): 16-89
1999 WISC-III® as a Process Instrument (WISC-III®-PI)
2002 Wechsler Preschool and Primary Scale of Intelligence - Third Edition (WPPSI-III),
Ages 2.6-7.3
2003 Wechsler Intelligence Scale for Children, 4th Edition (WISC-IV®): Ages
6-16.11
Nice summary in pdf document
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