AP PSYCHOLOGY

Detailed explanation-1: -The Wechsler Adult Intelligence Scale (WAIS) is an IQ test designed to measure intelligence and cognitive ability in adults and older adolescents. The original WAIS (Form I) was published in February 1955 by David Wechsler, as a revision of the Wechsler–Bellevue Intelligence Scale, released in 1939.

Detailed explanation-2: -The most widely used intelligence tests include the Stanford-Binet Intelligence Scale and the Wechsler scales. The Stanford-Binet is the American adaptation of the original French Binet-Simon intelligence test; it was first introduced in 1916 by Lewis Terman, a psychologist at Stanford University.

Detailed explanation-3: -He developed the Wechsler-Bellevue Intelligence Scale, which quickly became the most widely used adult intelligence test in the United States.

Detailed explanation-4: -Wechsler Adult Intelligence Scale – Fourth Edition (WAIS-IV) The WAIS-IV is the most commonly used test of intelligence for persons aged 16 through 75 years, and may be the intelligence test chosen if your child is a teenager above the age of 15.

Detailed explanation-5: -David Wechsler, (born January 12, 1896, Lespedi, Romania-died May 2, 1981, New York, New York, U.S.), American psychologist and inventor of several widely used intelligence tests for adults and children. Wechsler studied at the City College of New York and Columbia University, receiving his doctorate in 1925.