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81.
82.
Even where a total allocation of resources is fixed, it is often possible to vary the distribution of the given resources. This distribution can have important, if sometimes hidden, consequences. In the case of universities, considering the mean class size as given, three nonobvious consequences of the amount of variation in class size are examined. (1) The average class size experienced by students is directly related to the amount of variation in class size. (2) Overall student attendance is inversely related to the amount of variation in class size. (3) Overall student participation time is directly related to the amount of variation in class size. The logic of these relationships is explored, and data on 49 departments and interdisciplinary programs at one university are used to illustrate the nature and extent of the class size paradox at one university. 相似文献
83.
Robert M. Bernard Dai Zhang Philip C. Abrami Fiore Sicoly Evgueni Borokhovski Michael A. Surkes 《Thinking Skills and Creativity》2008,3(1):15-22
Critical thinking (CT) has been of longstanding interest among scholars, educators, and others who are concerned with thinking skills. The Watson–Glaser Critical Thinking Appraisal (WGCTA) is the oldest and among the most widely used and studied CT measure. It was constructed around five subscales (or CT skills): inference, recognition of assumptions, deduction, interpretation, and evaluation of arguments. This paper describes a two part analysis of the psychometric properties of the WGCTA, based on 13 sets of subscale inter-correlations and 60 sets of subscale means retrieved from published studies. We performed a meta-analysis on the inter-correlations of the10 combinations of subscales and found that all of the average correlations that resulted were significant, but that all but one was significantly heterogeneous. Subsequently, we conducted principal components analysis on 60 subscale means of two different versions of the WGCTA. Each produced a one-factor solution, accounting for 82.69% and 79.55% of the total variance, respectively. Together these two parts of this study suggest that the WGCTA should be viewed as a measure of general competency, and that the subscales should not be interpreted individually. 相似文献
84.
Florence Gabriel Frédéric Coché Dénes Szucs Vincent Carette Bernard Rey Alain Content 《Mind, Brain, and Education》2012,6(3):137-146
Fractions constitute a stumbling block in mathematics education. To improve children's understanding of fractions, we designed an intervention based on learning‐by‐doing activities, which focused on the representation of the magnitude of fractions. Participants were 292 Grade 4 and 5 children. Half of the classes received experimental instruction, while the other half pursued their usual lessons. For 10 weeks, they played five different games using cards representing fractions (e.g., Memory and Blackjack). Wooden disks helped them represent and manipulate fractions while playing games. Our results showed an improvement in the conceptual understanding of fractions. The findings confirmed that the usual practice in teaching fractions is largely based on procedural knowledge and provides only minimal opportunities for children to conceptualize the meaning and magnitude of fractional notations. Furthermore, our results demonstrate that a short intervention inducing children to manipulate, compare, and evaluate fractions improves their ability to associate fractional notations with numerical magnitude. 相似文献
85.
Bernard Lightman 《Science & Education》2012,21(7):1015-1034
Evolution was a difficult topic to tackle when writing books for the young in the wake of the controversies over Darwin??s Origin of Species. Authors who wrote about evolution for the young experimented with different ways of making the complex concepts of evolutionary theory accessible and less controversial. Many authors depicted presented evolution in a non-Darwinian form amenable to religious interpretation. 相似文献
86.
Bridget Juniper Elaine Walsh Alan Richardson Bernard Morley 《Assessment & Evaluation in Higher Education》2012,37(5):563-576
This study describes the development of an assessment to evaluate the well-being of PhD researchers using a clinically approved methodology that places the perceptions and experiences of the subject population at the heart of its construction. It identifies and assesses the range and relative importance of seven distinct dimensions which are shown to impact adversely on the perceived well-being of student researchers across all stages of their studies. According to the findings, the well-being of doctoral students comprises needs relating to development, facilities, home and health, research, social, supervisor and university. The instrument was found to demonstrate good content validity and internal reliability. Its use offers new insights into the experiences of early career researchers and may inform efforts to better support them. This, in turn, may have a positive impact upon retention levels and future career choices for this research population. 相似文献
87.
88.
Bernard E. Rollin 《Science & Education》2014,23(2):509-517
Uncertainty about ethics has been a major factor in societal rejection of biotechnology. Six factors help create a societal “perfect storm” regarding ethics and biotechnology: Social demand for ethical discussion; societal scientific illiteracy; poor social understanding of ethics; a “Gresham’s Law for Ethics;” Scientific Ideology; vested interests dominating ethical discussion. How this can be remedied is discussed. 相似文献
89.
Isaiah Litvak Christopher Maule Bernard Rubin Jim Richstad Michael McMillan Ralph Barney 《Communication Booknotes Quarterly》2013,44(6):8-10
Isaiah Litvak and Christopher Maule's Cultural Sovereignty, The Time and Reader's Digest Case in Canada (New York: Praeger Special Studies, 1974---$13.50) Survey of Public Attitudes Towards the Computer (Ottawa: Department of Communications, 1973---$1.00, paper) Bernard Rubin's Propaganda and Public Opinion: Strategies of Persuasion (Middletown, Conn.: Xerox Educational Publications, 1973---copies on request, paper) Jim Richstad, Michael McMillan, and Ralph Barney's The Pacific Islands Press: A Directory (Honolulu: University Press of Hawaii, 1973---no price given, paper) Judith Tegger Kildow's Intelsat: Policy-Maker's Dilemma (Lexington, Mass.: Lexington Books/Heath, 1973---$12.50) 相似文献
90.
William L. Rivers Theodore Peterson Jay W. Jensen Ronald T. Farrar John D. Stevens Bernard Rosenberg 《Communication Booknotes Quarterly》2013,44(10):7-8
William L. Rivers, Theodore Peterson and Jay W. Jensen's The Mass Media and Modern Society (Rinehart Press, $8.95) Ronald T. Farrar and John D. Stevens' (eds.) Mass Media and the National Experience (Harper & Row, price not known (paper back)) Bernard Rosenberg and David Manning White's Mass Culture Revisited (Van Nostrand, both hardback and paperback at same time–price not yet known) Wilbur Schramm (ed.) Process and Effects of Mass Communications (University of Illinois Press, details unknown) The Steranko History of Comics (Supergraphics Publications, 501 Spruce St., Reading, Pa. 19602, $3.00 paperback) 相似文献