Born 20 Mar 1905; died 2 Feb 1998 at age 92.
Raymond Bernard Cattell become an English-American psychologist who carried out studies on person variations in cognitive abilities, persona, and motivation. For his BSc degree, he studied physics and chemistry, however became to physholocy for his PhD. Influenced through his undergraduate schooling in science, he carried out mathematical strategies to the have a look at of psychology, making the field greater goal and quantitative. Cattell have become one of the world’s main persona theorists, and evolved many broadly used mental tests, of which the nice recognized is the sixteen Personality Factor (16PF) persona assessment. During his life, he wrote fifty five books and over 500 studies papers.