Describe each of the Wechsler scales.
What will be an ideal response?
The Wechsler scales are based on g factor of intelligence, with subtests representing fluid and crystallized intelligence.
Wechsler Adult Intelligence Scale – 4th edition (WAIS-IV) is administered to individual age 16 to 90 years and 11 months. It includes 10 core subtests and produces 4 index scores, FSIQ, and GAI. One of the commonly administered adult intelligence tests.
Wechsler Intelligence Scale for Children – 4th edition (WISC-IV) is administered to individuals age 6 through 16 years and 11 months. It includes 10 core subtests and produces 4 index scores and FSIQ.
Wechsler Preschool and Primary Scale of Intelligence 4th edition (WPPSI-IV) is administered to individuals age 2 years and 6 months to 7 years and 7 months. The WPPSI has two age bands. Five core subtests are administered to individuals in the 2 years and 6 months to 3 years and 11 months age band. Six core subtests are administered to individuals in the 4 years to 7 years and 7 months age band). The subtests produce FSIQ, Primary Index Scale, and Ancillary Index Skill levels.
Wechsler Abbreviated Scale of Intelligence (WASI) is a standardized brief measure of intelligence for individuals between the ages of 6 to 89 years old. It has two forms, a four subtest form or two subtest form. The WASI is not meant to be a substitute for the WISC and WAIS
Wechsler scales are Class C instruments
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Indicate whether the statement is true or false
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a. 3 b. 6 c. 9 d. 12