AP PSYCHOLOGY

Detailed explanation-1: -The Genetic Studies of Genius, later known as the Terman Study of the Gifted, is currently the oldest and longest-running longitudinal study in the field of psychology. It was begun by Lewis Terman at Stanford University in 1921 to examine the development and characteristics of gifted children into adulthood.

Detailed explanation-2: -IN 1921, Dr. Lewis M. Terman, a Stanford University psychologist and a pioneer of the I.Q. test, scoured California’s schools to identify 1, 521 children who scored 135 or over on his new intelligence test, the Stanford-Binet.

Detailed explanation-3: -Lewis Terman, in full Lewis Madison Terman, (born January 15, 1877, Johnson county, Indiana, U.S.-died December 21, 1956, Palo Alto, California), American psychologist who published the individual intelligence test widely used in the United States, the Stanford-Binet test.

Detailed explanation-4: -Terman came to believe that IQ was, in addition to dependent on education, highly heritable. Terman was a member of numerous American eugenic organizations, and listed in their rosters as a leader.

Detailed explanation-5: -Terman essentially defined intelligence as the quotient of one’s “"mental age"", or measurable cognitive abilities, over their chronological age. For Terman, mental age was highly correlated with demonstrated ability for abstract thinking.