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21.
成立于1876年的约翰·霍普金斯大学是美国第一所研究型大学.近30年来,该大学的研发经费一直高居美国大学榜首.本文阐述了约翰·霍普金斯大学目前的情况、学校的使命、教学和科研的组织、国际交流.还介绍了美国研究型大学的使命、组织管理、评价、开展国际合作和竞争等的一般情况.  相似文献   
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This study focused on hypotheses about the contributions of neighborhood disadvantage, collective socialization, and parenting to African American children's affiliation with deviant peers. A total of 867 families living in Georgia and Iowa, each with a 10- to 12-year-old child, participated. Unique contributions to deviant peer affiliation were examined using a hierarchical linear model. Community disadvantage derived from census data had a significant positive effect on deviant peer affiliations. Nurturant/involved parenting and collective socialization processes were inversely associated, and harsh/inconsistent parenting was positively associated, with deviant peer affiliations. The effects of nurturant/involved parenting and collective socialization were most pronounced for children residing in the most disadvantaged neighborhoods.  相似文献   
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While university‐level education is increasingly recognized as an important component of sustainable approaches to development, little empirical research has been done on the impact of sustainability education on student behavior. This study relies on an evidence‐based research approach to better understand how graduate coursework on sustainable development can facilitate learning and transform the perceptions and reported behavior of class participants. Specifically, the authors use ecological footprint analysis in an interdisciplinary graduate‐level course on sustainable development to make statistical conclusions about the degree to which education on sustainability influences students’ daily consumption patterns. The results of this study suggest that graduate‐level education can significantly increase the degree to which students behave in a sustainable manner as measured by their ecological footprints.  相似文献   
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The unique contributions that parenting processes (high levels of monitoring with a supportive, involved mother-child relationship) and classroom processes (high levels of organization, rule clarity, and student involvement) make to children's self-regulation and adjustment were examined with a sample of 277 single-parent African American families. A multi-informant design involving mothers, teachers, and 7- to 15-year-old children was used. Structural equation modeling indicated that parenting and classroom processes contributed uniquely to children's adjustment through the children's development of self-regulation. Additional analyses suggested that classroom processes can serve a protective-stabilizing function when parenting processes are compromised, and vice versa. Further research is needed to examine processes in both family and school contexts that promote child competence and resilience.  相似文献   
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Professional development among teacher educators requires a framework in which collaborative learning can support growth and change. This study describes a professional development project modeled on a professional development community focused on thinking education in a teachers college. Qualitative measures revealed a multilayered process consisting of breaking personal and professional isolation through interdisciplinary collaboration, talk about student learning, improvement of teaching through skill acquisition, and professional development with the adaptation of new teaching dispositions and a sense of efficacy. The community was characterized by a safe environment which encouraged risk taking and mutual support, enabling significant change in college courses.  相似文献   
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SATELLITE COMMUNICATIONS: THE FIRST QUARTERCENTURY OF SERVICE by David W.E. Rees (New York: John Wiley, 1990—$44.95, ISBN 0-471-62243-5, 329 pp.)

THE NEW COMMUNICATIONS TECHNOLOGIES by Michael Mirabito and Barbara Morgenstern (Stoneham, MA: Focal Press, 1990—$24.95, paper, ISBN 0-240-80012-5, 244 pp.)

COMMUNICATION TOMORROW: NEW AUDIENCES, NEW TECHNOLOGIES, NEW MEDIA by E. W. Brody (New York: Praeger, 1990—$45.00/15.95, ISBN 0-275-93280-X hard, 0-275-93281-8 soft, 295 pp.)

HDTV: HIGH-DEFINITION TELEVISION by Stan Prentiss (Blue Ridge Summit, PA: Tab Books, 1990—$16.95, paper, ISBN 0-8306-3272-7, 232 pp.)

FIBER OPTICS AND CATV BUSINESS STRATEGY by Robert K. Yates, Nolwen Mahe, and Jerome Masson (Norwood, MA: Artech House, 1990—price not given, ISBN 0-89006-413-X, 159 pp.)

GLOBAL IMPACT: THE NEW TELECOMMUNICATION TECHNOLOGIES by Loy A. Singleton (New York: Harper & Row, 1989—$26.95, ISBN 0-88730-259-9, 270 pp.)

COMMUNICATION WHEN IT'S NEEDED MOST: HOW NEW TECHNOLOGY COULD HELP IN SUDDENDISASTERS, Report of the International Disaster Communications Project (Annenberg Washington Program, 1455 Pennsylvania Ave. NW, Washington 20004—free on request, paper, no ISBN given, 129 pp.)

THE FUTURE OF TELEVISION (National Cable Television Association, 1724 Massachusetts Ave. NW, Washington, DC 20036—free, paper, no ISBN given, 42 pp.)

COMPUTER A PPUCA TIONS IN FILM & VIDEO: A NE WSLETTER FOR EDUCATORS AND PROFESSIONALS (David Katz, ed.. Communications Development Center, Univ. of Wisconsin Extension, Radio Hall, Madison, WI—53706 price information not given, ISSN not provided)

SATELLITES & BROADCASTING 1990 by Marcia DeSonne (National Association of Broadcasters, 1771 N St. NW, Washington, DC 20036—price not given, paper, ISBN 0-89324-075-3, 42 pp.)

GENERAL MOBILE RADIO SERVICE NATIONAL REPEATER GUIDE (Personal Radio Steering Group, P.O. Box 2851, Ann Arbor, MI 48106—$10.00, paper, no ISBN given, 80 pp.)  相似文献   
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