The is the definitive professional resource for the Wechsler Intelligence Scale for Children, Fifth Edition . While the Administration Manual focuses on "how" to give the test, the Technical and Interpretive Manual explains "why" the test works and "what" the results actually mean for a child's cognitive profile. Core Purpose of the Manual

Explanation of the Cattell-Horn-Carroll (CHC) model that influenced the move to a five-factor structure.

Features. WISC-V delivers more flexibility, more content and more interpretive power. Three new primary subtests — Visual Puzzles, Pearson Assessments US

Evidence that the test accurately measures intelligence and produces consistent results over time.