About WPPSI-III - Wechsler Preschool and Primary Scale of Intelligence

WPPSI-III is the Wechsler Preschool and Primary Scale of Intelligence test 3rd edition

• Purpose: Accurately measure intellectual abilities in young children
• Ages: 2:6 through 7:3 years
• Norms: Scaled Scores by age, Factor Index Scores, IQs
• Administration: Ages 2:6-3:11: 30-45 minutes
• Ages 4:0-7:3: 60 minutes

WPPSI-III including a lower age range (down to 2:6 years). The test has been extensively reviewed for bias at all levels and has 15 subtests, with different core subtests for ages 2:6-3:11 and 4:0-7:3 years. New subtests such as Picture Naming, Receptive Vocabulary, Matrix Reasoning, Picture Concepts, Symbol Search, and Coding are designed to measure abilities such as verbal and non-verbal fluid reasoning, receptive versus expressive vocabulary, and processing speed.

WPPSI-III provides clinically useful information for diagnosis and planning. Validity studies with numerous other measures, including the new Wechsler Individual Achievement Test-Second Edition (WIAT-II), have been conducted to reflect federal legislation requirements and the use of multiple criteria for identification of children for special services. Also being conducted are studies with various special groups, including mental retardation (mild and moderate), developmental delay, Autism, Asperger's Syndrome, receptive and expressive language disorders, children at risk, motor impairment, Attention-Deficit/Hyperactivity Disorder, cognitively gifted, and limited English proficiency.

Available software includes

• WPPSI-III-WIAT-II Scoring Assistant CD-ROM Windows software: Generates concise score reports automatically from your PC by simply entering raw scores.
• WPPSI-III-WIAT-II Writer: Interpretive software program that allows you to produce individualized, comprehensive reports more quickly and efficiently.
• WPPSI-III-WIAT-II Scoring Assistant to Writer Upgrade