Ahmad Dahlan Journal of English Studies (ADJES) Vol. 2, Issue 2, September 2015 Implementation of Learning Strategies based on Reflective Learning Theory to Improve Students’ Self-Efficacy in Learning English 69 Implementation of Learning Strategies based on Reflective Learning Theory to Improve Students’ Self-Efficacy in Learning English Ratri Nur Hidayati Faculty of Education and Teacher Training Ahmad Dahlan University ABSTRACT Self-Efficacy means the belief in one's capabilities to achieve a goal or an outcome. Efficacy beliefs play an influential meditational role in academic attainment. While Reflective learning can be described as tending to think deeply about the knowledge obtained by study. Reflection is the indication of deep learning because it helps students learn through reflection, precisely because of the established link between reflection and deeper learning. Reflective learning is closely related to improve Self-efficacy. Thus this article aims at elaborating the effective English learning strategies based on reflective learning theory to improve students’ self- efficacy. This paper proposes some actions, i.e. implementing oral reflective learning on action, oral reflective learning in action and written reflective learning. In improving the students’ self-efficacy in learning in the forms of (1) the improvement of students’ appreciation of social resources, (2) the improvement of students’ courage in achieving academic performances, (3) the improvement of students’ consistency for self- regulated learning, and (4) the improvement of students’ social self-efficacy. Keywords: Self-Efficacy, Reflective Learning, Improvement. Introduction Indonesia regards English as a foreign language. According to Brown (2007: 134), foreign language contexts are those in which students do not have ready- made contexts for communication beyond their classroom. They may be obtainable through language clubs, special media opportunities, books, or an occasional tourist, but efforts must be made to create such opportunities. In short, English is taught in formal education and it is not used in daily communication in the society. As a foreign language, English is taught in every level of education, from elementary level to university. English is taught as an optional subject in elementary school and as a compulsory subject in junior high school and senior high school. Based on the curriculum enacted by the government, the competence should be achieved by junior high school students are being able to express