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Nabeel Al-Qirim 《Education and Information Technologies》2016,21(2):265-281
This research explores teaching-faculty’s adoption and usage of the Interactive White Board Technology (IWBT) in UAE University (UAEU). The research findings suggested two perspectives concerning IWBT usage by teaching-faculty in UAEU. The first theme is concerned with IWBT’s basic features where the IWBT proved its superiority when compared to other competing technologies in the classroom. The second theme is concerned with the advanced features of the IWBT and as it is integrated with curricula and course content. This appeared to be yet evolving in institutions around the world in general and in the UAEU more specifically. The research depicts an evolutionary path for the data-show industry across time showing the position of IWBT. The path also shows the direction of the data-show industry along with a depiction of the learning needs across each evolutionary phase. The research discusses theoretical as well as professional contributions and implications emerging from the two perspectives and portrays different research areas in this field. 相似文献
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Anatomy is a foundational component of biological sciences and medical education and is important for a variety of clinical tasks. To augment current curriculum and improve students’ spatial knowledge of anatomy, many educators, anatomists, and researchers use three-dimensional (3D) visualization technologies. This article reviews 3D display technologies and their associated assessments for anatomical education. In the first segment, the review covers the general function of displays employing 3D techniques. The second segment of the review highlights the use and assessment of 3D technology in anatomical education, focusing on factors such as knowledge gains, student perceptions, and cognitive load. The review found 32 articles on the use of 3D displays in anatomical education and another 38 articles on the assessment of 3D displays. The review shows that the majority (74 %) of studies indicate that the use of 3D is beneficial for many tasks in anatomical education, and that student perceptions are positive toward the technology. 相似文献
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Sophia Rodriguez 《The Urban Review》2017,49(4):529-550
This article documents minority youth sense-making around the concept of diversity and the founding of a youth activist group that seeks spaces for policy thinking and protesting against racial inequalities in selective enrollment schools. Utilizing the sociological theory of racial formation and the concept of racial projects (Omi and Winant in Racial formation in the United States, 3rd edn, Routledge, New York, 2014), this article draws on data from a critical ethnography. The author argues that youth activists offer a critical perspective for researchers and policy-makers in the face of neoliberal school choice policy. Findings reveal that youth activists understand a lack of diversity as racial imbalance in high status schools, and that they expose structural inequalities that are embedded in policy structures and processes such as selective enrollment high schools. Implications are discussed to show how re-conceptualizing policy as a racial formation can bring structural and institutional racist practices into view in hopes of transforming district policies to offer access to high quality schools for all students. 相似文献
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Zhi-mei Tian Xian-yong Ma Xue-fen Yang Qiu-li Fan Yun-xia Xiong Yue-qin Qiu Li Wang Xiao-lu Wen Zong-yong Jiang 《Journal of Zhejiang University. Science. B》2016,17(10):742-751
To investigate dietary protein level effects on digestive mechanisms, weaned piglets were fed for 45 d with diets containing 20%, 17%, or 14% crude protein (CP) supplemented to meet requirements for essential amino acids. This article describes the influence of dietary protein on gastrointestinal hormones and expression of an array of digestive enzymes in the gastrointestinal tract and pancreas. Results indicated that there were no significant differences in expression of enzymes involved in carbohydrate digestion, except for maltase in the duodenum. In the jejunum, amylase expression in pigs fed 20% CP was much higher than that in pigs fed other diets (P<0.05) and maltase expression in those fed 17% CP was higher than that in other treatments (P<0.05). Although there were no remarkable differences in expression of aminopeptidase in the small intestine or carboxypeptidase in the pancreas (P>0.05), there was a trend towards higher expression of various proteases in pigs fed 17% CP. The duodenal expression of enteropeptidase in diets with 14% and 17% CP was significantly higher than that with 20% CP (P<0.05), but treatment differences did not existed in jejunum (P>0.05). The expression of GPR93 as a nutrient-responsive G protein-coupled receptor in 14% and 17% CP diets was significantly higher than that in 20% CP diet in the small intestine (P<0.05). The expressions of genes for pancreatic enzymes, lipase and elastase, were significantly higher in pigs fed diets with low CP, while similar trends occurred for carboxypeptidase, chymotrypsin and amylase. Conversely, the gastric expressions of pepsinogen A and progastricsin were lower with the 17% CP diet. Differences between treatments were found in the gastric antral contents of cholecystokinin and somatostatin: both increased in pigs fed 17% CP, accompanied by decreased content of motilin, which was also seen in plasma concentrations. These patterns were not reflected in duodenal contents. In general, 17% dietary CP was beneficial to the digestion of nutrient substance in the gastrointestinal tract. 相似文献
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Sonja Haug 《Zeitschrift für Erziehungswissenschaft》2005,8(2):263-284
Zusammenfassung Die Entwicklung der mündlichen und schriftlichen Kenntnisse in Deutsch und der Sprache des Herkunftslandes bei Angeh?rigen
der ersten und zweiten Einwanderergeneration aus den Gastarbeiter-Anwerbel?ndern, bei Aussiedlern und neuen Zuwanderergruppen
wird beschrieben und Erkl?rungsfaktoren für Unterschiede werden mit Hilfe bivariater und multivariater Verfahren untersucht.
Die Deutschkenntnisse der ersten Generation steigen zwischen 1984 und 2001 kaum an, wohingegen Aussiedler und Zuwanderer in
kurzer Zeit relativ gute Fortschritte aufweisen. Die meisten Befragten sind bilingual. Defizite bei Deutschkenntnissen variieren
nach Herkunftsland. Der Zweitspracherwerb erfolgt im Generationenverlauf, d.h. in Deutschland geborene Personen mit Migrationshintergrund
haben in der Regel bessere Deutschkenntnisse als die erste Generation. Die Aufenthaltsdauer hat per se keinen Einfluss auf
den Spracherwerb, ebenso wie das Geschlecht, w?hrend das Einwanderungsalter und die Schulbildung entscheidende Faktoren sind.
Personen mit niedrigem Einwanderungsalter, Personen, die eine weiterführende Schule im Herkunftsland oder eine h?here Schule
in Deutschland abgeschlossen haben, haben eine h?here relative Chance, gute mündliche und schriftliche Deutschkenntnisse zu
erwerben.
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