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排序方式: 共有121条查询结果,搜索用时 312 毫秒
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Sam Liu Dina Brooks Scott Thomas Gunther Eysenbach Robert Peter Nolan 《Journal of sports sciences》2015,33(10):1001-1006
The primary aim was to examine the criterion and construct validity and test–retest reliability of the Lifesource XL-18 pedometer (A&D Medical, Toronto, ON, Canada) for measuring steps under controlled and free-living activities. The influence of body mass index, waist size and walking speed on the criterion validity of XL-18 was also explored. Forty adults (35–74 years) performed a 6-min walk test in the controlled condition, and the criterion validity of XL-18 was assessed by comparing it to steps counted manually. Thirty-five adults participated in the free-living condition and the construct validity of XL-18 was assessed by comparing it to Yamax SW-200 (YAMAX Health & Sports, Inc., San Antonio, TX, USA). During the controlled condition, XL-18 did not significantly differ from criterion (P > 0.05) and no systematic error was found using Bland–Altman analysis. The accuracy of XL-18 decreased with slower walking speed (P = 0.001). During the free-living condition, Bland–Altman analysis revealed that XL-18 overestimated daily steps by 327 ± 118 than Yamax (P = 0.004). However, the absolute percent error (APE) (6.5 ± 0.58%) was still within an acceptable range. XL-18 did not differ statistically between pant pockets. XL-18 is suitable for measuring steps in controlled and free-living conditions. However, caution may be required when interpreting the steps recorded under slower speeds and free-living conditions. 相似文献
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Dina Guglielmi Ilaria Bruni Silvia Simbula Franco Fraccaroli Marco Depolo 《European Journal of Psychology of Education - EJPE》2016,31(3):323-340
Despite the growing body of research on work engagement, little is known about what drives work engagement among different age cohorts. This study aims to investigate whether engagement varies across age cohorts and examine the job resources that foster teacher engagement. A questionnaire was distributed to 537 teachers who were employed in elementary, lower and upper secondary school. Findings show that work engagement did indeed vary across the diverse age group and is influenced by different resources. In line with previous studies, data revealed that the engagement of younger teachers is driven by the opportunity for development and interaction with colleagues, while older employees appreciate the opportunity to see their competencies acknowledged. What is most noteworthy is the opportunity to design practices and to provide every age group with the appropriate set of motivators. 相似文献
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This paper considers a curriculum design motivated by a desire to explore more valid pedagogical approaches that foster critical thinking skills among students engaged in an Environmental Science course in South Africa, focussing specifically on the topic of Citizen Science. Fifty-three under graduate students were involved in the course, which was run over a two week period. Data were generated from several sources, including individual student evaluations, a focus group discussion, lecturer reflections and summative assessment results. During the course, the development of critical thinking skills was scaffolded by different thinking approaches to the possibilities and problematics of student-selected case studies, followed by a collaborative re-examining of ‘what is known’ about Citizen Science. Spiralling engagement with various resources harnessed the diversity of the class, as they drew on their personal and disciplinary backgrounds. The insights highlight possibilities for alternative higher education teaching models for emerging subjects such as Environmental Science, where the competencies required of graduates, such as critical thinking and coping with uncertainty, differ significantly from traditional ‘science’ competencies, and therefore require a departure from traditional teaching methods. 相似文献
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Patrícia Silva Betina Lopes Marco Costa Dina Seabra Ana I. Melo Elisabeth Brito Gonçalo Paiva Dias 《Higher Education》2016,72(6):703-721
This article aims to shed light on the current debate regarding the role of internships in higher education in graduates’ employability. In specific, it analyses empirical data on a large-scale study of Portuguese first-cycle study programmes, in order to explore indicators of the professional value of internships in the employability of higher education graduates. Results demonstrate that study programmes that include internships tend to significantly enhance graduates’ employability, particularly within the universe of polytechnic and public higher education institutions. Besides the instrumental value of internships, the impact of the nature and structure of the internship on the percentage of unemployed graduates are also discussed. Mandatory internships and the inclusion of multiple, shorter internships throughout the degree are negatively associated with unemployment levels. Results indicate work-based learning can be used as a successful strategy to bridge theoretical knowledge and practice and enhance graduate employability. These findings provide important insights for the evaluation and/or the design of internship programmes in higher education. 相似文献
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John Downing Carol A. Dwyer Dina Feitelson Mogens Jansen Ritva Kemppainen Hilkka-Liisa Matihaldi David R. Reggi Takahiko Sakamoto Hugh Taylor Derek V. Thackray Douglas Thomson 《Journal of Research in Reading》1979,2(1):8-23
Cultural expectations and sex-role standards about reading in Canada, Denmark, England, Finland, Israel, Japan, and U.S.A. were investigated. A picture test showing various activities and objects including reading and books was administered in each country to six sub-samples that approximated to the levels: students in grades I, IV, VIII, and XII, college students, and adults. Subjects had to ascribe the activity or object as being appropriate for either a boy or a girl. The results were consistent with the hypothesis that cultural expectations and sex-role standards about reading are congruent within one country but that they differ between countries. In particular, boys in Canada and the U.S.A. rapidly learn to perceive reading as a feminine activity, whereas Danish and Japanese males at all ages consistently view reading as acceptable masculine behaviour. 相似文献
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Evaluation of the Long-Term Impact of a University High School Summer Science Program on Students' Interest and Perceived Abilities in Science 总被引:1,自引:2,他引:1
Many biomedical research universities have established outreach programs for precollege students and teachers and partnerships with local school districts to help meet the challenges of science education reform. Science outreach programs held in university research facilities can make science more exciting and innovative for high school students and can offer them much more insight into the nature of science and laboratory research than is available in most high school science courses. This paper describes a long-term follow-up study of high school students enrolled in the Summer Science Academy program at the University of Rochester to investigate the program's impact on students' perceived abilities in higher level science courses, on participation in extracurricular science programs, as well as the program's impact on student interest in pursuing a career in science. Students' exposure during SSA to advanced laboratory techniques and their participation in authentic science investigations provided them with a very positive hands-on experience. Students who attended the program indicated that it provided a positive influence on their performance in advanced science courses, as well as their decision to participate in other science programs and their desire to pursue a career in science. 相似文献
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This study, conducted in the United States, was designed to assess the extent to which the beliefs, multiplication always makes bigger and division always makes smaller, are explicitly held by preservice elementary teachers. Paper and pencil instruments were administered to 136 preservice elementary teachers in a large university in the southeastern United States. Responses on the instruments and in interviews provide insight into the sources of preservice teachers' beliefs and into the relationship among preservice teachers' beliefs, computational skills, and performance on word problems. 相似文献