Introduction: Many educational problems of students such as academic failure and maladaptive behaviors stem from their inadequate educational motivation. Teaching lessons based on Keller's motivational strategies can be effective in enhancing and motivating studentsPromoting students' motivation will empower students as future physicians of the country, which in turn will play a vital role in promoting community health. This study was done to develop and design Keller's educational-motivational package and its effectiveness on the motivation of medical students in the basic sciences of Iran University of Medical Sciences.
Methods: This study is an educational and semi-experimental intervention. The statistical population consisted of all undergraduate students studying in the basic sciences of Iran University of Medical Sciences during the academic year of 96-97, which 412 of them were selected as the research sample by hierarchical cluster method. After completing the Valerand Motivation Inventory, people who received scores less than 112 (117 people) were contacted, 104 of whom wished to continue their participation in the study, and the researcher divided them into experimental and control groups by using the random blocks method.
Results: The findings of this study showed that education based on Keller's strategies is significantly effective in increasing motivation, which indicates the positive effect of education.
Conclusions: It seems that the use of motivational strategies is effective in raising academic motivation of medical students and it will lead to better student learning and better educational adjustment of them. Training and learning are among the methods that increase motivation. The results showed that promoting student's academic motivation with correct training is Learnable, which, in turn, leads to success in the teaching-learning process. In this way, promotion of motivation and improving the quality of teaching affects students' academic performance, their behavior and attitudes and will contribute to active participation of students in the learning process.