A longitudinal study of the influence of social identity, outgroup exposure and affirmative action policy on first-year student academic success in the Economic and Management Sciences Faculty of Stellenbosch University

group identity, affirmative action programs -- western cape (south africa), diversity in higher education -- western cape (south africa), social change, college students -- recruiting -- western cape (south africa), academic achievement -- psychological aspects -- western cape (south africa), academic achievement -- social aspects -- western cape (south africa), uctd