Chapter 8
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Chapter 8. Assessment Intelligence. The Wechsler Scales Wechsler Adult Intelligence Scale (WAIS-IV) Wechsler Intelligence Scale for Children (WISC-IV) Wechsler Preschool and Primary Scale of Intelligence (WPPSI-III) David Wechsler, 1939 The most widely used intelligence tests.

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Chapter 8

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Chapter 8

Chapter 8

Assessment Intelligence


Chapter 8

The Wechsler Scales

Wechsler Adult Intelligence Scale (WAIS-IV)

Wechsler Intelligence Scale for Children (WISC-IV)

Wechsler Preschool and Primary Scale of Intelligence (WPPSI-III)

David Wechsler, 1939

The most widely used intelligence tests.

Individual Intelligence Tests


Chapter 8

Full Scale IQ (FSIQ)

4 Index scores:

Verbal Comprehension Index (VCI)

Perceptual Reasoning Index (PRI)

Working Memory Index (WMI)

Processing Speed Index (PSI)

FSIQ and Index scores: Mean = 100, SD = 15

15 subtests: Mean = 10, SD = 3

The Wechsler Adult Intelligence Scale—

Fourth Edition (WAIS-IV)


Chapter 8

The WISC-IV is the fourth generation of the most widely used children’s intellectual ability assessment.

Used for children ages 6 to 16

15 subtests

4 Index scores:

Verbal Comprehension Index (VCI)

Perceptual Reasoning Index (PRI)

Working Memory Index (WMI)

Processing Speed Index (PSI)

Full scale IQ score

Wechsler Intelligence Scale for

Children (WISC-IV)


Chapter 8

Used for children ages 4 to 6-1/2 years of age

14 subtests

Scores are similar to those on other Wechsler tests

4 index scores:

Verbal IQ

Performance IQ

General Language Composite

Processing Speed Quotient

Wechsler Preschool and Primary

Scale of Intelligence (WPPSI-III)


Chapter 8

Alfred Binet, early 1900s

Intelligence is a general ability to judge, to comprehend, and to reason well

Developed a series of measures to identify children for whom it was necessary to provide special educational programs

Mean = 100

SD = 15

Internal-consistency reliability ranged from .95 to .98 for IQ scores, from .90 to .92 for the five Factor Index scores, and from .84 to .89 for the 10 subtests.

Standford-Binet Intelligence Test


Chapter 8

Stanford-Binet Intelligence Scale


Chapter 8

Kaufman Assessment Battery for Children (K-ABC-II)

Children ages 3 to 18 years old

Five cognitive abilities:

Learning

Sequential Processing

Simultaneous Processing

Planning

Knowledge

Kaufman Adolescent and Adult Intelligence Test (KAIT)

Ages 11 to 85 years

Yield scores on both crystal and fluid intelligence and a composite IQ score

The Kaufman Instruments


Chapter 8

Woodcock-Johnson III Tests of Cognitive Abilities – appropriate for individuals 5 to 95. Used commonly with children to assess cognitive, oral language and achievement scores.

The Differential Ability Scales, Second Edition – appropriate for individuals 2 to 17. Initially designed for assessing children with learning and developmental disabilities.

Slosson Intelligence Test – Revised for Children and Adults – appropriate for ages 4 to 65. Used to assess general verbal cognitive abilities.

Das Naglieri Cognitive Assessment System – appropriate for ages 5 to 17. Assesses cognitive processing skills. Based on the (PASS) theory of cognitive processes.

Additional Individual Intelligence Tests


Chapter 8

Group testing:

began with the Army Alpha and Army Beta tests of World War I.

is far more pervasive than individual test.

is used most commonly for screening purposes.

Group Intelligence Tests


Chapter 8

Cognitive Abilities Test – appropriate for ages 5 to 18. Measures learned reason abilities in verbal, quantitative, and nonverbal areas.

Otis-Lennon School Ability Test, Eighth Edition – appropriate for school age children. Often used to screen for gifted and talented programs

Raven’s Progressive Matrices - has three formats designed to work with different age and ability groups. Measures fluid intelligence.


Specialized tests

Specialized Tests

Intelligence tests developed for use with specific populations:

  • Preschool children

    • Bayley Scales of Infant Development

    • McCarthy Sales of Children’s Abilities

  • Individuals with learning disabilities or other disabilities

    • Leiter International Performance Scale

    • Test of Nonverbal Intelligence

  • Gifted students

    • Structure of Intellect Learning Abilities Test, Gifted Screening Form

  • Individuals from diverse cultural or linguistic backgrounds

    • Comprehensive Test of Nonverbal Intelligence

    • Cultural Fair Intelligence Test


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