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131.
132.
Vanessa L. Wyss 《TechTrends》2013,57(2):54-62
Student perceptions of science-oriented careers and scientists have been shown to be largely inaccurate. Through an instructional design and development process we have developed a method for offering students more accurate information about science-oriented careers. This paper follows the steps involved in developing a volume of podcast/interviews with STEM professionals and implementing the podcasts in middle level science classes. The purpose of the podcasts is to better inform middle school students about STEM career options. We present the challenges and successes of the development process as well as the efforts to create a second volume of podcasts, planned improvements and efforts for larger scale implementation, and the results from a pilot study involving the podcasts. 相似文献
133.
Vanessa Kind 《International Journal of Science Education》2013,35(8):1313-1345
Aspects of chemistry content knowledge held by 265 UK-based pre-service teachers (PSTs) were probed using 28 diagnostic questions in five chemistry concept areas, Particle theory and changes of state, Mass conservation (taught to 11–14-year-olds), and Chemical bonding, Mole calculations and Combustion reactions (taught to 14–16-year-olds). Data were collected over six years from academically able science graduates starting a full-time, university-based teacher education programme of one academic year duration. PSTs in three sub-cohorts (‘chemists', ‘physicists' and ‘biologists' on the basis of their undergraduate degrees) demonstrated similar levels of content knowledge (CK) for Particle theory and changes of state and Mass conservation. Biologists demonstrated statistically significantly weaker understanding than chemists and physicists in Chemical bonding, Mole calculations and Combustion reactions. Forty-four ‘triads' each comprising one chemist, physicist and biologist, matched by academic and personal backgrounds, showed that chemists outperformed biologists and physicists in Chemical bonding and Combustion reactions. The findings suggest that non-chemists' CK is insufficient for teaching these chemistry concepts in high schools, despite their possession of ‘good' Bachelor of Science degrees. These data have implications for science teacher education, including how best to prepare science graduates from diverse backgrounds for teaching specialist science subjects to 11–16-year-olds. 相似文献
134.
Vanessa Rousseau 《Al-Masaq: Islam & the Medieval Mediterranean》2004,16(1):5-15
Byzantine crowns are not only emblematic of the empire, but also reflect the breadth and depth of her acquaintance. Much like the Classical tradition of using women as personifications of cities, states and ideals, the empress who embodied the empire was often depicted in a more elaborate crown than the emperor. The purpose of this paper is to explore the development of the Byzantine empress' crown as distinct from the emperor's crown. Both evolved, in part, from the much simpler diadems of the ancient Greeks and Romans. Comparison of pictorial images and historical sources reveals how their respective styles diverged and the influences that fed those variations. Further comparison with the jewellery and headgear of neighbouring peoples reveals the influence of Eastern headgear and hairdressing upon the evolution of the empress's crown. Much like the decorative arts of Byzantium, the empress's crown testifies to the fusion of Mediterranean and Eastern cultures. 相似文献
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Vanessa Russell 《Teaching Education》2014,25(2):142-155
In this article, I explore one lesbian teacher’s ethical dilemmas and resulting disappointment related to the lack of participation by queer students in the Gay Straight Alliance she helped to create. Her dilemmas hinge on the paradoxical subject position of queer teacher in tension with the “coming out imperative” and intersecting with discursive articulations of teacher-as-role model and queer students as a population “at-risk.” Grounded in scholarship that describes the discursive production of queer teacher and queer students, I explore the ways in which one group of queer students resist notions of “at-riskness” and the resulting impact on their teacher. 相似文献
139.
Annett Schmeck Richard E. Mayer Maria Opfermann Vanessa Pfeiffer Detlev Leutner 《Contemporary educational psychology》2014
Does using a learner-generated drawing strategy (i.e., drawing pictures during reading) foster students' engagement in generative learning during reading? In two experiments, 8th-grade students (Exp. 1: N = 48; Exp. 2: N = 164) read a scientific text explaining the biological process of influenza and then took two learning outcome tests. In Experiment 1, students who were asked to draw pictures during reading (learner-generated drawing group), scored higher than students who only read (control group) on a multiple-choice comprehension test (d = 0.85) and on a drawing test (d = 1.15). In Experiment 2, students in the learner-generated drawing group scored significantly higher than the control group on both a multiple-choice comprehension test (d = 0.52) and on a drawing test (d = 1.89), but students who received author-generated pictures in addition to drawing or author-generated pictures only did not. Additionally, the drawing-accuracy scores during reading correlated with comprehension test scores (r = .623, r = .470) and drawing scores (r = .620, r = .615) in each experiment, respectively. These results provide further evidence for the generative drawing effect and the prognostic drawing effect, thereby confirming the benefits of the learner-generated drawing strategy. 相似文献
140.
Vanessa Kind 《Studies in Science Education》2013,49(2):169-204
Pedagogical content knowledge (PCK), since its inception as teacher‐specific professional knowledge, has been researched extensively. Drawing on a wide range of literature, this paper seeks to clarify how the potential offered by PCK could be utilised to further develop science teacher education. An analysis of PCK models proposed by various researchers, together with methods of elucidating PCK in experienced and novice teachers, is provided. The paper argues that making PCK more explicit in the teacher education process may help novices adjust to teaching, as well as aiding experienced teachers in developing more reflective practices. 相似文献