This study aims to investigate the strategies used by Iranian EFL teachers to promote motivation among their high school students. To achieve this purpose, a questionnaire including cognitive, effective, and social strategies based on Chieftain's model (1988) was developed, piloted and validated. Two research questions were proposed: the first one to investigate whether our EFL teachers use motivational strategies in their classrooms and the second one to explore how the use of motivational strategies by teachers can motivate or demotivate Iranian high school students in
approaching English as a foreign language.