This study investigated the predictive effect of in-service and pre-service science teachers' perceptions of the learning environment on their self-efficacy beliefs on science teaching. The same self-report questionnaires were used to collect data from in-service and pre-service science teachers. Of the participants, 142 in-service science…

Constructivism was introduced to Vietnam through many ways such as workshops, books, the Internet, and so on. However, due to the lack of professional education, fundamental ideas of constructivist learning perhaps were missing or neglected through classroom activities. Furthermore, due to the influence of culture and society, Vietnamese…

Background: Problem-based learning (PBL) is a teaching approach working in cooperation with self-learning and involving research to solve real problems. The first law of thermodynamics states that energy can neither be created nor destroyed, but that energy is conserved. Students had difficulty learning or misconceptions about this law. This study…