Robert Mearns Yerkes, PhD, (b. May 26, 1876-d. February 3, 1956) was a psychologist, ethologist and primatologist best known for his work in intelligence testing and in the field of comparative psychology. Yerkes was a pioneer in the study of both human and primate intelligence, and of the social behavior of gorillas and chimpanzees. Joining with John D. Dodson, Yerkes developed the Yerkes-Dodson law relating arousal to performance. Wikipedia
Yerkes was a psychologist who believed that intelligence was a fixed quantity and he set out to carry out one of the largest test of intelligence in history. www.holah.karoo.net/gouldstudy.htm
The definitive Wikipedia entry for Robert Yerkes. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Robert_Yerkes
Psychologists Lewis Termin, Robert Yerkes, and others collaborated to develop two versions of the test, known as the Army Alpha and Army Beta tests. users.ipfw.edu/abbott/120/IntelligenceTests.html
The biographical profile of Robert Mearns Yerkes, focusing on his/her contributions to the development of intelligence theory and testing. www.indiana.edu/~intell/yerkes.shtml
(William Butler), 1856-1939 Yeats, William Butler Yechton, Barbara, [pseud.], 1864-1939 Kraus, Lyda Farrington Yerkes, Robert M., 1876-1956 Yogananda, Paramahansa, 1893-1952 Yolland, Arthur B. www.gutenberg.org/author/R
