Personalizing and Contextualizing Multimedia Case Methods in University-based Teacher Education: An Important Modification for Promoting Technological Design in School Science     

Larry Bencze  Jim Hewitt  Erminia Pedretti 《Research in Science Education》2009,39(1):93-109

Results of various studies suggest that multimedia ‘case methods’ (activities associated with case documentaries) have many benefits in university-based teacher education contexts. They can, for example, help to ‘bridge the gap’ between perspectives and practices held by academic teacher educators and those held by student-teachers – who may adhere to perspectives and practices commonly supported in schools. On the other hand, some studies, along with theoretical arguments, suggest that there are limits to the effectiveness of multimedia case methods – because, for example, they can never fully represent realities of teaching and learning in schools. Furthermore, often missing from multimedia case methods is the student-teacher in the role of teacher. To address these concerns, we modified an existing multimedia case method by associating it with a special practice teaching situation in a school context. Qualitative data analyzed using constant comparative methods suggest that student-teachers engaged in this modified multimedia case method developed relatively deep commitments to encouraging students to conduct technology design projects – a non-traditional practice in school science. Factors that appeared to influence development of this motivation included student-teachers’ pre-instructional perspectives about science and the personalization and contextualization inherent to the modified multimedia case method.

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Promoting Issues-based STSE Perspectives in Science Teacher Education: Problems of Identity and Ideology     

Erminia G. Pedretti  Larry Bencze  Jim Hewitt  Lisa Romkey  Ashifa Jivraj 《Science & Education》2008,17(8-9):941-960

Although science, technology, society and environment (STSE) education has gained considerable force in the past few years, it has made fewer strides in practice. We suggest that science teacher identity plays a role in the adoption of STSE perspectives. Simply put, issues-based STSE education challenges traditional images of a science teacher and science instructional ideologies. In this paper, we briefly describe the development of a multimedia documentary depicting issues-based STSE education in a teacher’s class and its subsequent implementation with 64 secondary student-teachers at a large Canadian university. Specifically, we set out to explore: (1) science teacher candidates’ responses to a case of issues-based STSE teaching, and (2) how science teacher identity intersects with the adoption of STSE perspectives. Findings reveal that although teacher candidates expressed confidence and motivation regarding teaching STSE, they also indicated decreased likelihood to teach these perspectives in their early years of teaching. Particular tensions or problems of practice consistently emerged that helped explain this paradox – including issues related to: control and autonomy; support and belonging; expertise and negotiating curriculum; politicization and action; and biases and ideological bents. We conclude our paper with a discussion regarding the lessons learned about STSE education, teacher identity and the role of multimedia case methods.  相似文献   

Multi-media Case Methods in Pre-service Science Education: Enabling an Apprenticeship for Praxis   总被引：2，自引：0，他引：2  

Bencze  Larry  Hewitt  Jim  Pedretti  Erminia 《Research in Science Education》2001,31(2):191-209

In recent years, teacher educators have looked to case methods as one means of bridging the theory-practice gap in university-based pre-service programs. This paper explores how case methods may be used to foster habits of praxis – that is, critical, reflective practice – that enable beginning teachers to adapt to the many diverse contexts they may encounter in the field. Our research used qualitative ethnographic methods to determine the efficacy of a case method designed to encourage critical analysis of a Year 8 science Optics lesson. Results suggest student teachers: (1) understood an associated analytical framework; (2) effectively analysed curriculum and pedagogy; and (3) exercised prudence in their assessment of the case. These findings tentatively indicate emerging habits of praxis. Notwithstanding such gains, we encourage designers of case-based curricula to: ensure case authenticity, protect subjects from critique and use multi-media case methods in conjunction with other approaches to promote habits of praxis.  相似文献