Engaging students in the essential practices of science has been forwarded as an effective means to achieve scientific literacy for all students by promoting the learning of content, procedures, and the epistemology of science concurrently. However, the emphasis on science practices requires teachers not only to develop skills and knowledge…

Research in science education has emphasized the importance of knowledge generation approaches to learning. Creating generative learning environments requires teachers to address the epistemic underpinning of science practices and shift their orientations toward knowledge generation approaches. This study aimed to propose epistemic orientation as…

This study examined the relationship between preservice teachers' Educative Teacher Performance Assessment (edTPA) scores, the most widely implemented preservice teacher performance assessment in the United States, and the pedagogical content knowledge (PCK) levels reflected in their edTPA portfolios. PCK is a specialized form of teacher…

This study explored the nature of the integration of the five components of pedagogical content knowledge (PCK): (a) Orientations toward Teaching Science, (b) Knowledge of Student Understanding, (c) Knowledge of Instructional Strategies and Representations, (d) Knowledge of Science Curriculum, and (e) Knowledge of Assessment of Science Learning.…

This study examined how the National Board Certification (NBC) process, especially the portfolio creation, influenced candidate teachers' pedagogical content knowledge (PCK). In a larger sense, this study aimed to construct a better understanding of how teachers develop PCK and to establish ecological validity of the National Board assessments.…