Analysis of 188 black undergraduates' beliefs concerning influence of some selected factors on their academic achievement indicated that, for the females, academic achievement was believed to be significantly more affected by internal factors than by external ones, and for Ss whose mothers had more education than fathers. Ss desire, efforts, abilities, knowledge about coursework, and educational background were ranked as the five most influential internal factors, while luck, difficulty of curriculum, instructors' fairness, rewards from others, and value attached to grade were ranked as the five least influential external factors.