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  5. Wechsler Preschool and Primary Scale of Intelligence | Third Edition

Wechsler Preschool and Primary Scale of Intelligence | Third Edition


An assessment of cognitive development for preschool and young children.

Age range:

Children 2:6–7:3

Publication date:


Qualification level:


Completion time:

Core subtests: Ages 2:6–3:11, 30–45 minutes; Ages 4:0–7:3, 45–60 minutes


Scaled Scores by age, IQs

Scoring options:

Manual scoring


Improved psychometric properties so that norms now include Subtest Scaled Score and Composite Scores (e.g. FSIQ, VIQ, PIQ, PSQ).

Scale has been divided into two age bands, 2:6-3:11 years and 4:0-7:3 years.

Pricing & Ordering

Product Details

The WPPSI-IV test is now available.


  • Identify and qualify students with cognitive delays for special services.
  • Evaluate children for cognitive delays, intellectual disabilities, autism and giftedness.


  • Younger children take fewer subtests that are designed to measure verbal comprehension and perceptual organization abilities
  • Older children take a greater number of subtests designed to measure verbal comprehension, perceptual organization, and processing speed abilities
  • All subtests feature teaching and practice items