This paper provides a historical review of the interview research that has been used by science educators to investigate children's basic astronomy knowledge. A wide range of strategies have been developed over the last 120 years or so as successive teams of researchers have endeavoured to overcome the methodological difficulties that have arisen.…

In this paper, we present an emerging set of learning conjectures and design principles to be used in the development of professional learning tasks that support elementary teachers' learning of mathematics learning trajectories. We outline our theoretical perspective on teacher knowledge of learning trajectories, review the literature concerning…

To be a great teacher, more than content knowledge, teacher also needs practical and technical knowledge that contribute to teacher effectiveness. A teacher with high tacit knowledge is usually considered an expert teacher. The purpose of this study is to find out whether teachers with high tacit knowledge give equal preference to the various…

This article synthesizes research on technology integration in education with specific attention to the effects of computer-mediated environments on cognitive development, technology utilization in schools, and infusing technology in pre-service teacher education. The article identifies inadequate teacher preparation as the critical factor…

The research reported here examined constructs of field dependent or real-world versus field independent or text-driven modes of instruction. It was argued that the level of pedagogical clinical knowledge and reflective thinking among prospective Afro-American teachers differed not only in mode of instruction but in level of instructional emphasis…