Psychodiagnostiek Intelligentie By yole.b Period: 1863 to 1945 Charles Spearman G-factor Period: 1887 to 1955 Louis Leon Thurstone primary mental abilities Period: 1905 to 1998 Raymond Bernard Cattell Gf-Gc theorie Period: 1916 to 2003 John Bissell Carroll hiërarchische opbouw Period: 1928 to 2006 John L. Horn Gf-Gc + Gv, Gsm, Glr, Gs, Ga + Gt, Gq en Grw Period: 1943 to 2020 Howard Gardner meervoudige intelligentie Period: 1949 to 2020 Robert Sternberg triarchische intelligentiemodel