Instructional explanations are sometimes viewed as part of a nonconstructivist, solely teacher-centered learning environment, leading to the perception that they are ineffective or inappropriate for teaching science. Consequently, teacher education programmes seldom focus on preparing teachers to explain scientific concepts effectively.…

Detailed accounts of teaching can shed light on the nature and prevalence of active learning, yet common approaches reduce teaching to unidimensional descriptors or binary categorizations. In this paper, I use the instructional systems-of-practice framework and the Teaching Dimensions Observation Protocol (TDOP) to advance an approach to thinking…

Many authors stress the importance of basing teaching on students' prior knowledge. To build a bridge between students' everyday knowledge and scientific concepts, the role of metaphors and analogies came into the focus of the science education community during the past two decades. Approaches using metaphor-based teaching strategies often regard…

This exploratory study in a classroom setting investigates first graders' (age 7-8 years, N = 25) ability to perform analogical reasoning and create their own analogies for two irreversible natural phenomena: mixing and heat transfer. We found that the children who contributed actively to a full-class discussion were consistently successful at…

Two disparate research programs have addressed the challenge of instructional multimedia design. One, based on cognitive load theory, has focused on ways of reducing unnecessary cognitive load during instruction to free up resources for learning. The other, based on constructivism, has centered on interactive multimedia, allowing students to build…

Classrooms across the United States increasingly find White teachers paired with ethnic minority students, but few of these teachers are prepared for the disparities such cultural integration presents. This is particularly true vis-a-vis science education. While classrooms have diversified, science instruction has not necessarily followed suit.…

Research about the relationship between teachers' scientific epistemological views (SEVs) and science instruction is often an important issue for many science educators. This study, by collecting research data from four Taiwanese science teachers, their students, and classroom observations, was carried out to examine the coherences between…

Case studies were constructed for four prospective teachers who were purposely selected as a result of their scores on the Classroom Learning Environment Survey (CLES) to gain a better understanding of emerging constructivist beliefs and classroom practices. Finds two kinds of beliefs, central beliefs defined as those dictating subsequent teaching…

Describes the extent to which an elementary teacher used teaching principles based on constructivism after attending an inservice program. Use of the new principles was influenced by his views of science and of learning, how he usually planned his teaching, and his confidence in his own understanding of the topic. Describes inservice program based…

Argues that, by not considering examples drawn from students' everyday lives, a teacher is detracting from science itself. A challenge is made to Conceptual Change Learning Model advocates and users to embrace the idea of conceptual fitting based upon context as well as conceptual change when considering how students learn. (ZWH)

Examines how, through discourse processes, a third grade teacher and her students came to situationally define science in their classroom. Uses a discourse analytical approach to examine the classroom members' experimentation logic, their explanations and scientific decisions, and their accounts of events. (Contains 82 references.) (Author/YDS)

Reviews four hypotheses about learning: Comenius's transmission-reception theory, information processing theory, Gestalt theory, and Piagetian theory. Uses the categories preunderstanding, conceptual change, and learning processes to classify and assess investigations on learning processes. (PR)

Describes a theoretical frame for understanding cognitive development to outline the planning and performance of a unit on electrostatics. Analyzes a female student's learning process and the development of the complexity of her cognitive skills. (PR)

The main purpose of this study was to explore the effects of long-term constructivist-oriented science instruction on elementary school students' process of constructing cognitive structures. Furthermore, such effects on different science achievers were also investigated. The subjects of this study were 69 fifth graders in Taiwan, while they were…

School science students can benefit greatly from participation in student-directed, open-ended scientific inquiry projects. For various possible reasons, however, students tend not to be engaged in such inquiries. Among factors that may limit their opportunities to engage in open-ended inquiries of their design are teachers' conceptions about…