This document discusses a study analyzing how students use worked examples, tutored problem-solving, and untutored problem-solving in an online math tutorial system called SOWISO. The study examines how these learning modes relate to student performance and dispositions. Key findings include: (1) engagement with tutorials and mastery of content strongly predicts exam scores; (2) students frequently use worked examples and rarely use hints for tutored problem-solving; (3) adaptive dispositions correlate with timely preparation and less example use, while maladaptive dispositions correlate with less preparation and more example use.