| The United States is recognized as a super sports power, therefore, on the basis of quantitative indicators reveal and grasp the status and trends in American sports science, research and development for our sport has an important reference. The famous Research Quarterly for Exercise and Sport gave us an understanding of the dynamic American sports the best research opportunities.According to this situation,the present paper points out the following questions:What is the current status of the Amercian research on the sport science? In detial, Who is the famous researchers of sport science in America? What is the hot topic of Amercian research on the sport science?And what kinds of method and theory are frequently used by the researchers?In order to answer above questions,by the research method of literature and content analysis,this article examined 576 articals published on RQES from 2000 to 2009,and the main results are as follows:1.The past 10 years, the United States-based sports science research to collaborative research, further research toward the collectivization of American sports, co-operative research trend.2.Main types of the same co-units, different units, multi-disciplinary, cross-national cooperation of four. Types of cooperation in which the highest proportion of the same unit, mainly within the same university cooperation between the main; came in second place is the type of cross-disciplinary collaboration; In addition, the type of inter-country cooperation accounted for 17.8%, RQES in international sports The breadth of the influence of academia, but also that the United States attaches great importance to international cooperation in sports research.3.Productive units of affiliation and major comprehensive university in the United States mainly. To a comprehensive research university is at the core of sports academic characteristics of American sports. Texas A & M University, University of Nevada, Arizona State University, 15 colleges and scientific research is the main base for American sports. Gabriele Wulf, Charles H. Shea, Bradley J. Cardinal and other scholars is the central figure in American sports research. In addition, many Chinese-American sports scientists have made in their respective areas of extraordinary achievement, of which the United States Sports authoritative experts on the scientific front, scholars, such as Ping Xiang, Ang Chen, Weimo Zhu, also have in recent years in the United States Sports field of scientific research began to emerge in the young doctor, such as Jianmin Guan, Yuanlong Liu, Zan Gao, etc., they issued a document 28 total.4.Sports accounted for 42.2% of, overwhelmingly higher than the competitive sports of 18.8 percent. As society advances, the popularity of healthy lifestyles, governments the importance of mass sports, physical exercise on the public demand for scientific guidance will continue to grow, will become the national sport for sports science research and the main direction. 5.From the mass sports, school sports and competitive sports based on the application of the three major areas of academic research point of view, psychology, motor skills behavior, epidemiology, and measurement and evaluation of the most widely used disciplines. Education, sociology / cultural anthropology has been more attention.6.In the field of mass sports, for physical activity, exercise, measurement and evaluation of the national constitution, body composition, overweight and obesity, walking, health behavior and health promotion research topics such as the most popular; in school sports, focusing on motor skill learning Too, students of mental health, physical education teacher education, research; Competitive Sport Psychology combined with most closely, in which trust, social support, motivation, intervention and control, vision, etc. in the last decade the United States Sports Psychology Hot topic.7.RQES the most commonly used data contained in the text data collection is questionnaire, laboratory experiments, natural experiment, a higher proportion of the other method also accounts for interviews, literature and video analysis.8.By RQES analysis of 576 articles, the articles used in statistics 519, accounting for 90.1%, indicating that the American sports academic quantitative research attention. RQES in less than one third of the articles are only used descriptive statistics, more than 70.0% of the article applied to the inferential statistics.9.About 40.0% of the article used the descriptive analysis, ranked first in the analysis concluded that analysis of variance, the second is Z, t, x2 test. Correlation analysis (Pearson correlation and Spearman mostly related) and the proportion of repeated measures analysis of variance are also high, and other data using statistical methods more multiple regression analysis, factor analysis and structural equation models, and further confirms the Magazine focus on relational (causal) research, quantitative research shows that the U.S. level of sports science is very high.
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