Daftar Isi:
- The characteristics of learners in learning need to get the attention from the teacher. However, the measurement of self-efficacy has not been implemented by teacher, and instrument to measure these capabilities are not available, and teachers do not understand the importance of information about students' self efficacy. The main aim of this development research is to produce a tool or instrument ratings whivch are valid, reliable and practical to measure self-efficacy in learning chemistry in junior high school. The method used in this research is the development methods. The results of this research is the availability of a viable instrument which can used to measure students? self-efficacy in learning chemistry in junior high school, which qualifies as a valid, reliable, and practical test.