What age range does the WPPSI-III assess?

The Wechsler Preschool and Primary Scale of Intelligence, Third Edition (WPPSI-III), is specifically designed to evaluate the cognitive abilities of young children. The correct age range assessed by the WPPSI-III is from 2 years and 6 months (2.6) to 7 years and 3 months (7.3). This test provides a comprehensive measure of cognitive development, including various indexes such as verbal comprehension and perceptual reasoning, tailored to the developmental stages of children within this specified age range.

The ages outside of this range are not appropriate for the WPPSI-III assessment, as the tool is crafted to accurately gauge the intellectual capabilities of children within the targeted age group. For instance, using the test on children younger than 2 years and 6 months would not yield valid results, while assessing older children, such as those in the 5 to 10 years bracket, could lead to misleading interpretations since their cognitive development and capacities might exceed what the WPPSI-III is designed to measure effectively.