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541.
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543.
In this article, we take a rapid journey through the history of algebra, noting the important developments and reflecting
on the importance of this history in the teaching of algebra in secondary school or university. Frequently, algebra is considered
to have three stages in its historical development: the rhetorical stage, the syncopated stage, and the symbolic stage. But
besides these three stages of expressing algebraic ideas, there are four more conceptual stages which have happened along
side of these changes in expressions. These stages are the geometric stage, where most of the concepts of algebra are geometric
ones; the static equation-solving stage, where the goal is to find numbers satisfying certain relationships; the dynamic function
stage, where motion seems to be an underlying idea, and finally, the abstract stage, where mathematical structure plays the
central role. The stages of algebra are, of course not entirely disjoint from one another; there is always some overlap. We
discuss here high points of the development of these stages and reflect on the use of these historical stages in the teaching
of algebra.
Commentary from a Mathematics Educator Bill Barton. See also the last page.
Commentary from a Mathematics Educator 相似文献
544.
João M. Fernandes Paulo Afonso Victor Fonte Victor Alves António Nestor Ribeiro 《European Journal of Engineering Education》2017,42(1):91-108
ABSTRACTUniversities seek to promote entrepreneurship through effective education approaches, which need to be in permanent evolution. Nevertheless, the literature in entrepreneurship education lacks empirical evidence. This article discusses relevant issues related to promoting entrepreneurship in the software field, based on the experience of a 15-European Credit Transfer and Accumulation System course. This course seeks to instil in the students the recognition of the need to reconcile technical and business visions, organisational and commercial aspects, most of which have never been addressed previously. A series of semi-structured interviews made it possible to obtain relevant insights about the teaching–learning process underlying this course and its evolution over a seven-year period. Materials related with this course have been analysed, namely guidelines produced by the teachers and deliverables produced by the students. This article discusses the dimensions that were identified as fundamental for promoting entrepreneurship skills in the field of software, namely teamwork, project engagement, and contact with the market. 相似文献
545.
Jungsub Shin 《亚洲交流杂志》2017,27(3):233-249
Which issues do political parties emphasize in campaigns? Selecting the issues to emphasize in campaigns is treated with the same importance as policy positioning. Nevertheless, little attention has been paid to understanding parties’ strategies of issue competition in presidential elections under multiparty systems. By analyzing statements of presidential candidates in the 2002, 2007, and 2012 Korean presidential debates, we find that presidential candidates use their issue emphasis strategies differently in presidential elections according to party size and ideological relationships with other parties. Specifically, a small party’s candidates have been more likely than mainstream parties’ candidates to pursue their issue ownership advantage. In addition, a mainstream party’s candidates have emphasized the issues of a small party more than those of his own party when the two parties have had a similar ideological foundation, whereas, when there were no such ideological similarities, a mainstream party’s candidate has only focused on issues of the mainstream party. Our results imply that the political communication used by political parties and candidates is conditioned not only by political contexts such as electoral systems or party systems but also by the size and ideology of parties. 相似文献
546.
Journal of Science Education and Technology - The original version of this article unfortunately contained a mistake in the article title. The word “Students” was inadvertently deleted. 相似文献
547.
This study explores the experiences of 34 US social studies teachers who participated in a cross-cultural professional development in South Korea, and the impact of the programme on the participant teachers’ perceptions and practices of global education. Drawing upon a postcolonial lens, this mixed-method study takes a critical look at (a) how social studies teachers who mostly had limited previous knowledge of and experiences with the host country experienced cross-cultural learning and (b) how the teachers’ experiences were applied to their perceptions on global education and actual curricular and pedagogical changes in the classroom. The findings of this study provide solid empirical evidence on the possibilities and limitations of such international professional development, particularly in non-Western contexts, and discuss the implications on global teacher education. 相似文献
548.
A review is offered of Hong Kong's current education reform that sites a key role for creativity. This key role leads us to ask “Creativity in the Hong Kong Classroom: what is the contextual practice?” To address this question 27 Primary classroom teachers across three subject areas were observed and rated using the Classroom Observation Form [Furman, A. (1998). Teacher and pupil characteristics in the perception of the creativity of classroom climate. Journal of Creative Behavior, 32(4), 258–277]. The creativity potential of these teachers was then measured against the Creativity Fostering Teacher Index [Soh, K. C. (2000). Indexing creativity fostering teacher behavior: A preliminary validation study. Journal of Creative Behavior, 34(2), 118–134] and the Creative Personality Scale [Gough, H. G. (1978). A creative personality scale for the adjective check list. Journal of Personality and Social Psychology, 37(8), 1398–1405]. Their class students then completed the Chinese Creativity Tests [Wu, J. J., & Chen, F. X. (1998). A study on the new creativity test. Taiwan: Education Bureau and Foundation for Scholarly Exchange]. Findings support and extend current understandings of both system and componential theory [Csikzentmihalyi, M. (1996). Creativity: flow and the psychology of discovery and invention. New York: Harper Collins; Amabile, T. M. (1996). The social psychology of creativity. New York: Springer–Verlag; Amabile, T. M. (1996). Creativity in context. Boulder: Westview Press]. Instrument limitations and a need for interpretative cautions are discussed and their significance for further research indicated. 相似文献
549.
Raulie Lo Craig Locatis Eldon Ullmer Victor Carr Richard Banvard Quang Le Matthew Williamson Michael Ackerman 《Educational technology research and development : ETR & D》1992,40(2):69-76
AuthorBase, a working prototype database of authoring system software, was developed as part of a study of authoring software
conducted by the National Library of Medicine. In this article, the authors discuss development issues ranging from the scope
of the database to what information to document. The prototype demonstrates that records of reasonable integrity can be derived
from vendor-supplied information. However, users should understand that the database is only a starting point in searching
for authoring software and a resource for becoming generally familiar with the technology. 相似文献
550.
Randolph?BowersEmail author David?Plummer Victor?Minichiello 《International journal for the advancement of counseling》2005,27(3):471-489
Current attitudes of counselling practitioners towards sexual and gender differences raise the possibility that minority clients
may experience re-traumatisation due to in-session expressions of therapist homophobia. This paper explores these issues through
a qualitative study that examines client and counsellor narratives on homophobia in counselling. The results describe specific
examples of homophobic behaviour by counsellors. While individual examples might appear mundane on the surface, the frameworks
they invoke and their pervasiveness constitutes a considerable threat to the counselling relationship. The paper argues that
homophobia in counselling practice is a significant issue that requires sensitive, critical and applied analysis that redirects
therapeutic efforts in the future. 相似文献