theory needed Home › Forums › Default Forum › theory needed This topic has 0 replies, 1 voice, and was last updated 10 years, 8 months ago by ayibaerefitei joseph. Viewing 1 post (of 1 total) Author Posts 27th May 2010 at 12:19 pm #4549 ayibaerefitei josephParticipant what theory will support a study on predictive validity of first year GPA among undergraduates in the university. thanks. Author Posts Viewing 1 post (of 1 total) The forum ‘Default Forum’ is closed to new topics and replies.