Abstract
This study examines the relationship between Self-efficacy, Motivation, and Critical thinking disposition to Achievement and Attitude of Sandwich Degree students of University of Ado Ekiti during their 2010 contact lecture when they were exposed to PowerPoint lecture. The researcher who is also the instructor adopted PowerPoint to deliver lecture on EGC 410 to the purposive sample of 162 students that enrolled for the course. Five instruments were utilized in this study they were (i) instrument used to measure motivation (ii) Self efficacy instrument by Riddle (iii) Engagement Maturity and Innovativeness (EMI) Critical Thinking Disposition Inventory, (iv) the Achievement post-test developed by the researcher and (v) the Attitudinal instrument. Data collected were analyzed using descriptive statistics of canonical and regression analysis. Results indicated that motivation and computer proficiency tend to influence attitudes and that motivation and prior knowledge influence achievement.