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Graduate students play an integral role in undergraduate chemistry education at doctoral granting institutions where they routinely serve as instructors of laboratories and supplementary discussion sessions. Simultaneously, graduate teaching assistants (GTAs) balance major research and academic responsibilities. Although GTAs have substantial instructional facetime with large numbers of undergraduate students, little is known about their conceptions of teaching or their identities as teachers. To investigate the knowledge that GTAs have regarding teaching in this unique context, their teaching identities, and how these developed, we conducted 22 interviews with graduate students from several universities at various levels in their graduate school career using a modified Teacher Beliefs Interview. Interviews were analyzed for two overarching teacher learning constructs: teacher knowledge and teacher identity. We characterized chemistry GTAs' teacher knowledge and identity and determined major influencing factors. We found that chemistry GTAs often identified as a tutor or lab manager, which hindered their self-investment in developing as teachers. The results presented herein contribute to an understanding of GTAs' teacher knowledge, teacher identity, and their teaching context, from which training can be designed to best support GTA development. 相似文献
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Media companies are different from manufactures and other commercial organizations. They have both measurable economic goals and nonmeasurable social responsibilities. Leading these companies is a difficult task. The main issue is that an appropriate leadership style for media people must balance business and political goals. In this study, semi-structured interviews were used to collect data about Greek media leaders. The research explores and identifies the leadership style of CEOs heading the top media companies in Greece. These findings indicate that media leaders use a mixed leadership style involving both transformational and transactional styles in order to anticipate the peculiar external and internal media environment. 相似文献
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