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121.
122.
Jacqueline Tran Anthony J. Rice Luana C. Main Paul B. Gastin 《Journal of sports sciences》2015,33(3):268-276
Elite rowers complete rowing-specific and non-specific training, incorporating continuous and interval-like efforts spanning the intensity spectrum. However, established training load measures are unsuitable for use in some modes and intensities. Consequently, a new measure known as the T2minute method was created. The method quantifies load as the time spent in a range of training zones (time-in-zone), multiplied by intensity- and mode-specific weighting factors that scale the relative stress of different intensities and modes to the demands of on-water rowing. The purpose of this study was to examine the convergent validity of the T2minute method with Banister’s training impulse (TRIMP), Lucia’s TRIMP and Session-RPE when quantifying elite rowing training. Fourteen elite rowers (12 males, 2 females) were monitored during four weeks of routine training. Unadjusted T2minute loads (using coaches’ estimates of time-in-zone) demonstrated moderate-to-strong correlations with Banister’s TRIMP, Lucia’s TRIMP and Session-RPE (rho: 0.58, 0.55 and 0.42, respectively). Adjusting T2minute loads by using actual time-in-zone data resulted in stronger correlations between the T2minute method and Banister’s TRIMP and Lucia’s TRIMP (rho: 0.85 and 0.81, respectively). The T2minute method is an appropriate in-field measure of elite rowing training loads, particularly when actual time-in-zone values are used to quantify load. 相似文献
123.
饮食文化的传播是多样化的。我们可以通过移民、烹调书以及其他一些标志探究一种文化如何融入新环境。自古以来,食物就是中国人在餐桌内外普遍关注和讨论的话题。研究表明,全世界华人的饮食习惯的变迁是最为迟缓的。本文回顾了自1785年第一批华人进入并定居美国以来的一些标志性事件及其带来的变迁。随着华人移民的不断涌入,越来越多作为中华烹饪传统载体的中餐食谱在美国出版,中餐馆也在美国不断蔓延,养活了众多美国人。本文重点选取几个标志性事件作为说明依据。其中包括1899年美国政府刊发宣传册,鼓励种植和食用中国的蔬菜;20世纪上半叶中餐食谱的出版与使用;时至今日已有超过47000家中餐馆遍布美国,等等。 相似文献
124.
提供全世界最安全的食品,是美国社会一直引以为傲的。尽管中餐馆在全世界普遍存在食品卫生与安全的问题,而在美国已得到较稳定的控制,这与美国政府以及全社会高度重视食品卫生与安全问题密切相关。其关于食品的立法与监督体系已日臻完善,呈现出注重细节、标准量化、公开透明、监督有力、执行果断、全民参与等特点,文中谈到的相关细节与事例,值得中国政府、食品行业以及全社会的反思与借鉴。 相似文献
125.
Jacqueline Baxter Alan Floyd Katharine Jewitt 《British Educational Research Journal》2023,49(2):329-351
Following lockdowns in 2020 owing to Covid-19, schools needed to find a way to ensure the education of their pupils. In order to do this, they engaged in digital learning, to varying extents. Innovations emanated from all school staff including, for example, teachers, leaders and teaching assistants. Some were already innovating in this area and brought forward and implemented digital strategies, while others engaged with digital learning for the first time. While research is emerging about the effects of the pandemic restrictions on pupils and staff in relation to key issues such as mental health and educational attainment, very little is known about the impact on school leaders' strategic planning processes. To address this gap, this paper draws on a UK Research and Innovation funded study adopting a strategy as learning approach to report on 50 qualitative interviews with school leaders to examine digital strategy in English secondary schools, before, during and after July 2021, when restrictions were lifted in England. It draws on strategy as learning literature to evaluate if schools have changed their strategic planning for digital learning, as a direct response to having learned and innovated during the pandemic. The paper concludes that there is evidence that digital innovations during the pandemic have changed the ways in which leaders think about their digital strategy, thus supporting a strategy as learning approach. However it also concludes that although there is ample evidence that the pandemic has changed the way many schools view digital learning, for some schools, there remain persistent barriers to digital integration and planning. These emanate both from material and cultural considerations, as well as leader vision and belief in digital learning. 相似文献
126.
Anneloes Roelofsen Wouter P.C. BoonRoy R. Kloet Jacqueline E.W. Broerse 《Research Policy》2011,40(3):341-354
One of the challenges for public-private R&D collaborations in emerging scientific fields is to actively include the demand side. Insight in how to facilitate learning between stakeholders is, however, lacking. In this paper we present an approach to facilitate and analyse learning processes in multi-stakeholder interactions within public-private research consortia working on new science and technologies. The learning processes that took place during dialogue meetings within the framework of the Dutch Ecogenomics Consortium were analysed, including a reflection on the actual effects. The results show that a carefully structured dialogue method facilitates learning between researchers, users and policy-related participants, and that this learning to some extent is anchored within the Ecogenomics Consortium. At the same time, the results point to the challenges of translating learning into action. 相似文献
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128.
The authors analyze the role and function of didactics in preservice teacher education as presented in official texts from the ministries of education of Québec and France. They identify the conceptions these texts convey about the ties between didactics and professional education and demonstrate the vulnerable and limited position of didactics in teacher education. In concluding, adopting a comparative approach, they highlight several convergent features of the two systems of teacher education as well as marked differences relating to training in didactics. 相似文献
129.
Jacqueline D. Woolley Katrina E. Phelps Debra L. Davis & Dorothy J. Mandell 《Child development》1999,70(3):571-587
In two studies, we probed children's beliefs about wishing. In Study 1, we gathered initial data on 50 3- to 6-year-old children's concepts of wishing and beliefs about its efficacy, with both a semistructured interview and a variety of tasks. Results revealed considerable knowledge about wishing in young children, along with an age-related decrease in beliefs about its efficacy. Parents were not found to encourage differently the beliefs of children at different ages, nor were they found to begin actively discouraging such beliefs at any particular age. A moderate relation was found between environmental supports for wishing and children's beliefs in its efficacy. In Study 2, we continued to probe these issues and also address the nature of the broader conceptual context in which children situate their beliefs about wishing. Participants were 92 3- to 6-year-old children. Results of this study suggest that children may reconcile beliefs in the efficacy of wishing with knowledge about everyday mental-physical relations by situating these beliefs more within their emerging beliefs about magic than within their theories of mind. 相似文献
130.
John Eckenrode Elizabeth Rowe Molly Laird Jacqueline Brathwaite 《Child development》1995,66(4):1130-1142
This study examined the role of residential and school mobility as a mediator between child maltreatment and academic outcomes. Using a sample of 711 maltreated and nonmaltreated children ranging from 5 to 15 years old matched on gender, grade, school, and socioeconomic status, path analytic techniques were employed to assess direct and indirect effects of maltreatment on recent achievement test scores, current grades, and grade repetitions. The results indicated that mobility did help account for the effects of maltreatment on each of the outcomes. For grades in English/reading, 32.7% of the effect of maltreatment was accounted for by amount of mobility, while for test scores and grade repetitions the numbers were 14.6% and 19.1%, respectively. 相似文献