This document discusses intelligence, intellectual disabilities, and giftedness. It defines intelligence as the ability to solve problems and adapt based on experience. It describes intelligence tests like the Stanford-Binet and Wechsler scales that measure cognitive abilities. Theories of multiple intelligences proposed by Sternberg and Gardner are outlined, recognizing different types of intelligence. Both heredity and environment influence intelligence. Intellectual disabilities are defined as below average intellectual functioning, with IQ scores often used to classify the degree of disability. Giftedness refers to high intelligence or talent, often defined as an IQ over 130. Characteristics of giftedness include precocity, independent learning styles, and passion in their domain of talent.