排序方式： 共有86条查询结果，搜索用时 31 毫秒
71.
Marcelo Bronzo Paulo Tarso Vilela de Resende Marcos Paulo Valadares de Oliveira Kevin P. McCormack Paulo Renato de Sousa Reinaldo Lopes Ferreira 《International Journal of Information Management》2013
How to align business analytics with process orientation initiatives and how management can influence a synergistic accomplishment of these two elements in order to streamline organizational performance is a foremost managerial issue. By means of a quantitative research effort, a study was designed to investigate the relationships among these constructs. Empirical data were collected in 2011 from a survey of 368 large and mid-sized industrial and service companies headquartered in Brazil. A quantitative analysis was performed, and both the reliability and validity of the scales were evaluated prior to using structural equation modeling. The results demonstrate that the direct effects among BPO, analytical indicators and performance can be taken as statistically significant. The findings also demonstrate that BPO and analytical indicators can be taken as predictors of performance. The paper discusses these results and their managerial implications, as well as some research paths for future studies on the topic. 相似文献
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Rodrigo Ramírez-Campillo Marcelo Vergara-Pedreros Carlos Henríquez-Olguín Cristian Martínez-Salazar Cristian Alvarez Fábio Yuzo Nakamura 《Journal of sports sciences》2016,34(8):687-693
In a randomised controlled trial design, effects of 6 weeks of plyometric training on maximal-intensity exercise and endurance performance were compared in male and female soccer players. Young (age 21.1 ± 2.7 years) players with similar training load and competitive background were assigned to training (women, n = 19; men, n = 21) and control (women, n = 19; men, n = 21) groups. Players were evaluated for lower- and upper-body maximal-intensity exercise, 30 m sprint, change of direction speed and endurance performance before and after 6 weeks of training. After intervention, the control groups did not change, whereas both training groups improved jumps (effect size (ES) = 0.35–1.76), throwing (ES = 0.62–0.78), sprint (ES = 0.86–1.44), change of direction speed (ES = 0.46–0.85) and endurance performance (ES = 0.42–0.62). There were no differences in performance improvements between the plyometric training groups. Both plyometric groups improved more in all performance tests than the controls. The results suggest that adaptations to plyometric training do not differ between men and women. 相似文献
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The paper uses data from the 1980 Brazilian census to analyse the sources of earnings variation among males with emphasis on the role of education, labor market segmentation, geographic location and sector of economic activity. The results indicate a sizeable private rate of return to investment in education across labor market “segments”, especially among rural workers and the self-employed. Such a finding is upheld after econometric corrections for dependent variable (earnings) truncation and selectivity bias regarding who enters a particular economic sector. However, regional earnings differentials persist even after adjustment for a set of personal and job characteristics. Thus, internal migration still has a role to play towards reducing regional earnings disparities. 相似文献
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This paper reports on a case study of a 16-year-old student working on transformations of functions in a computer-based, multi-representational environment. The didactic approach to reflections, translations and stretches began with visualization exercises, and then was extended to investigate the implications of visual changes in data points, and subsequently, in algebraic symbolism. A detailed analysis of the student's work during the transition from the use of visualization and analysis of discrete points to the use of algebraic symbolism is presented. Two new semiotic forms are introduced as an alternative kind of algebraic symbolism and as a means to facilitate the transition to f(x) notation: covariational equations and the horseshoe display for transformations. The implications of this case for the redesign and modification of the software are discussed. 相似文献
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ABSTRACTIn the following article, we share our findings from the comparative analyses of 54 lifelong learning policy measures implemented in nine European countries, with a particular focus on their orientations, objectives, and solutions devised. Informed by the theoretical framework of Interpretive Policy Analysis (IPA), we have further reasoned on the impacts and unintended effects on young adults’ life course transitions, especially those in vulnerable positions, as well as on the hidden ambivalences and incompatibilities in the objectives and orientations of lifelong learning policies. The article provides, first, a brief discussion of the conceptual and methodological choices made. Second, it gives an overview of the design and data basis of our research. In the third section, we present and discuss the central findings from our interpretive analyses, and we finally conclude with a discussion on current trends in lifelong learning policymaking and on their impact on young adults’ transitions. 相似文献
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Xavier Bonfill Dimelza Osorio Margarita Posso Ivan Sol Gabriel Rada Ania Torres Marcelo García Dieguez Maricela Pia‐Pozas Luisa Díaz‐García Mario Tristn Omar Gandarilla David A. Rincn‐Valenzuela Arturo Martí Ricardo Hidalgo Daniel Simancas‐Racines Luis Lpez Ricardo Correa Antonieta Rojas‐De‐Arias Csar Loza
scar Gianneo Hector Pardo 《Health information and libraries journal》2015,32(4):276-286
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Marcelo Giordan 《International Journal of Science Education》2013,35(15):1875-1894
Two episodes of tutoring through the internet have been analysed in terms of situational, interactive and content perspectives. The episodes involved secondary students who submitted queries about chemistry issues to an online service provided by teachers. Studies of the asking of questions and of the dynamics of classroom interactions are employed to discuss the interactive and content factors of this approach to teaching–learning. The functions conveyed by students’ and teachers’ utterances are used to identify the structural patterns of the interactions. The occurrence of classical and inverted I–R–F exchanges, the questioner’s role, the continuity of the dialogues, and other structural patterns, are used to classify the episodes as being Debate and Triadic Dialogue. The notions of mastering cultural tools and scaffolding are used to account for how meaning is constructed through the interactions. 相似文献
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Marcelo M. Suárez-Orozco Carola Suárez-Orozco Carolyn Sattin-Bajaj 《Peabody Journal of Education》2013,88(4):535-551
Schools the world over are being transformed by growing numbers of immigrant-origin children. As schools face the challenge of educating linguistically, culturally, and racially diverse students, globalization imposes yet another set of demands on education. In this article we examine the varied pathways taken by immigrant-origin children. We outline some of the most critical contributors shaping their transition to new countries with a specific focus on education and schooling and explore some promising practices in a variety of national contexts and domains of immigrant life. 相似文献