Ages 2-5 will typically be given the Wechsler Preschool and Primary Tests of Intelligence, Fourth Edition (WPPSI-IV).
Ages 6-15 will typically be given the Wechsler Intelligence Scale for Children, Fifth Edition (WISC-V).
Ages 16 years or older will typically be given the Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV).
Each test takes approximately 1.5 to 2 hours to administer.