The Stanford-Binet Intelligence Scales is a standardized test designed to measure human intelligence. Originally developed in the early 20th century by Alfred Binet and Théodore Simon, it was later revised by Lewis Terman at Stanford University. The test assesses various cognitive abilities, including reasoning, problem-solving, and memory, and is used for individuals from age two to adulthood. The scales provide a comprehensive evaluation of intelligence through a series of tasks and questions. Results are often expressed as an Intelligence Quotient (IQ) score, which helps identify intellectual disabilities or giftedness. The test is widely used in educational and psychological settings.