PSYCH 133B Chapter Notes - Chapter 15: Autism Spectrum, Wechsler Adult Intelligence Scale, Intellectual Disability
3 May 2016
School
Department
Course
Professor
Document Summary
Chapter 15: intellectual disabilities and autism spectrum disorders. Disabilities (aaidd: deficits in intellectual functions, deficits in adaptive functioning, onset before age of 18, measuring intelligence. Intelligence tests a standardized measure for assessing intellectual ability: weshsler intelligence scale for children (wisc-iv, wechsler adult intelligence scale (wais-iv) Intelligence quotient (iq) test"s rating of an individual"s intellectual ability: cutt-off for intellectual disability: approximately 70- Approximate because testing can be somewhat imprecise and iq is measured on a continuum: defining intelligence can be controversial, old tests used mental age, contemporary tests calculate a deviation iq. Based on assumption that intellectual ability follows a normal distribution. Most people fall average, some exceptionally high/low. Iq is determined based on comparisons within age group. Children have narrow age ranges because cognitive abilities/knowledge change rapidly with age. All adults treated as part of same age group. Even if stable in absolute sense, older people"s iq fall relative to the rising mean.
