Examines the impact of gender, learning disability status, and sources of efficacy on self-efficacy beliefs and academic achievement in the concept of Bandura's self-efficacy theory. Results revels that LD status had indirect influence on self-efficacy via the source variable; gender did not have influences; and sources of efficacy had direct impact on self-efficacy, which in turn affected academic performance. (Contains 40 references and 3 tables.) (GCP)