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Christine DeMars 《教育实用测度》2015,28(1):1-13
In generalizability theory studies in large-scale testing contexts, sometimes a facet is very sparsely crossed with the object of measurement. For example, when assessments are scored by human raters, it may not be practical to have every rater score all students. Sometimes the scoring is systematically designed such that the raters are consistently grouped throughout the scoring, so that the data can be analyzed as raters nested within teams. Other times, rater pairs are randomly assigned for each student, such that each rater is paired with many other raters at different times. One possibility for this scenario is to treat the data as if raters were nested within students. Because the raters are not truly independent across all students, the resulting variance components could be somewhat biased. This study illustrates how the bias will tend to be small in large-scale studies. 相似文献
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Teaching About Electricity in Primary School Multimodality and Variation Theory as Analytical Lenses
Research in Science Education - Primary school topics involving abstract concepts are challenging to teach. Electric circuits can be simply constructed but complex to explain. New approaches in... 相似文献
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Peter Richardson Anthony Watkinson Louise Watts Christine Reid Chris Shelley Nigel Lees Andrea Powell Martin Richardson Anthony Watkinson Anthony Watkinson Sophie Leighton Andrea Powell 《Learned Publishing》2003,16(3):226-238
Serial Publications: Guidelines for Good Practice in Publishing Printed and Electronic Journals, 2nd edition, by Diane Brown, Elaine Stott and Anthony Watkinson Association of Learned and Professional Society Publishers 2003, £27 (members), £30 (non‐members), 108 pp., paperback. ISBN 0‐907341‐22‐5. Available from http://www.alpsp.org/pub3.htm The Case for Institutional Repositories: A SPARC Position Paper prepared by Raym Crow, SPARC Senior Consultant Scholarly Publishing and Academic Resources Coalition, Washington DC. Release 1.0, 2002. Available at: www.arl.org/sparc The Case for Institutional Repositories: A SPARC Position Paper prepared by Raym Crow, SPARC Senior Consultant Scholarly Publishing and Academic Resources Coalition, Washington, DC. Release 1.0, 2002. Available at: www.arl.org/sparc Internet Law: Text and Materials by Chris Reed Butterworths Tolley, 2000, £24.95, paperback. ISBN 0406981418 Intellectual Property Law by Lionel Bently and Brad Sherman Oxford University Press, Oxford, 2001, £32.99 (paperback), 1136 pp. ISBN 0‐19‐876343‐3 Clearing the Way: Copyright Clearance in UK Libraries by Elizabeth Gadd LISU Occasional Paper no. 31, Library & Information Statistics Unit (LISU), Department of Information Science, Loughborough University. ISBN 1 901786 51 X Electronic Journals and User Behaviour: Learning for the Future from the SuperJournal Project by David Pullinger and Christine Baldwin Deedot Press, 2002, £14.95. ISBN 0‐954‐2924‐0‐5 Electronic Ecology: A Case Study of Electronic Journals in Context by Karla L. Hahn Association of Research Libraries, 79 pp., 2001, $45. ISBN 0‐918006‐46‐1 The Transition from Paper: Where Are We Going and How Will We Get There edited by R. Stephen Berry and Anne Simon Moffat American Academy of Arts and Sciences, published online (2001): www.amacad.org/publications/trans.htm The Transition from Paper: Where Are We Going and How Will We Get There edited by R. Stephen Berry and Anne Simon Moffat American Academy of Arts and Sciences, published online (2001): www.amacad.org/publications/trans.htm E‐Serials, Publishers, Libraries, Users and Standards, 2nd edn, edited by Wayne Jones The Haworth Press Inc., 2003, 294 pp. paperback ISBN 0789012294 相似文献
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This paper examines how teachers responded when some organizational constraints on their work were loosened and why they responded as they did. It first reviews the sociological literature on teacher work to identify the main determinants studied. It then presents results of an ethnographic study of teachers in an urban school. The literature tends to portray teacher work as overly determined and may remove more responsibility from teachers for determining their own work than is warranted. 相似文献
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