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71.
中学生物理实验操作能力是物理实验能力的核心部分。本文探讨了物理实验操作能力的定义及其特点 ,并在此基础上构建了物理实验操作能力的结构模型 ,讨论了该模型的特点 ,即整体性、静态性、动态性和自调性。根据物理实验操作能力的结构模型及其特点 ,给出了物理实验操作能力的主要指标 相似文献
72.
对民族高校预科教育现状的分析和思考 总被引:2,自引:0,他引:2
预科教育为广大少数民族地区的考生步入高等院校学习架设了一座"金色桥梁"。预科数学教育应采取以预为主、以补为辅、以预带补的思路;面对参差不齐的学生,必须引进"宽进严出、优胜劣汰"的竞争机制,激发学生的兴趣,达到积极主动学习的目的。 相似文献
73.
人类的知识本来就是互相联系和互相渗透的 ,特别是在今天数学广泛地深入到自然科学和社会科学的各个领域 ,学生需要在一个比较广阔的知识基础上获得对数学的认识及对数学的价值和意义的理解、需要在把数学应用于其他学科的问题解决中获得自身能力的发展 相似文献
74.
75.
远程开放教育运用广播电视和计算机网络多媒体技术,使受教育者的数量无限,与国家的“科教兴国”、“全面学习,终身学习”的教育战略相符。但是新技术投资的成本高,其效益的估算难,且如何减少成本,提高效益是有待研讨的课题,需要认真进行分析。一、远程开放教育成本核算的重要意 相似文献
76.
选取在国际上有代表性的美国及亚洲的新加坡与中国的小学及初中数学课程标准为研究对象,从内容分布与认知要求两个维度进行编码比较研究。主要研究结果显示三国数学课程标准分别呈现如下特征:中国在内容维度上,几何内容拥有的认知要求最多,在认知要求维度上最重视数学推理,并且数学推理主要是以几何内容为主要载体的;美国和新加坡在内容维度上,数与代数拥有最多而丰富的各类认知要求,在认知要求维度上两国均十分重视“问题解决”,美国还重视“关联”类认知要求。 相似文献
77.
科研型数学教师及其培养 总被引:10,自引:3,他引:10
国际经济、科技、人才的竞争正推动着教育的改革。教育改革的关键因素在于合格的、新型教师的培养。科研型教师是指既能教学,又能进行数学及数学教育研究的教师。科研型教师应具备3项条件:转变观念,更新意识,提高能力。科研型数学教师是新时代数学教育的需要,要实行理论学习、实践探索和科学研究三位一体的教师培训途径。教养科研型教师需要解决“为何搞科研”、“如何搞科研”和“研究什么”3个问题。 相似文献
78.
The analysis and forecasting of male cycling time trial records established within England and Wales
The format of cycling time trials in England, Wales and Northern Ireland, involves riders competing individually over several fixed race distances of 10–100 miles in length and using time constrained formats of 12 and 24 h in duration. Drawing on data provided by the national governing body that covers the regions of England and Wales, an analysis of six male competition record progressions was undertaken to illustrate its progression. Future forecasts are then projected through use of the Singular Spectrum Analysis technique. This method has not been applied to sport-based time series data before. All six records have seen a progressive improvement and are non-linear in nature. Five records saw their highest level of record change during the 1950–1969 period. Whilst new record frequency generally has reduced since this period, the magnitude of performance improvement has generally increased. The Singular Spectrum Analysis technique successfully provided forecasted projections in the short to medium term with a high level of fit to the time series data. 相似文献
79.
This paper examines the video-based pedagogical practices of Terry (pseudonym), a head coach of a professional junior academy squad. Data were collected through 6 in-depth, semi-structured interviews and 10 field observations of Terry’s video-based coaching in situ. Three embracing categories were generated from the data. These demonstrated that Terry’s video-based coaching was far from apolitical. Rather, Terry strategically used performance analysis technologies to help fulfil various objectives and outcomes that he understood to be expected of him within the club environment. Kelchtermans’ micropolitical perspective, Callero’s work addressing role and Groom et al.’s grounded theory were primarily utilised to make sense of Terry’s perceptions and actions. The findings point to the value of developing contextually grounded understandings of coaches’ uses of video-based performance analysis technology. Doing so could better prepare coaches for this aspect of their coaching practice. 相似文献
80.
Timothy M. McGrath Gordon Waddington Jennie M. Scarvell Nick B. Ball Rob Creer Kevin Woods 《Journal of sports sciences》2016,34(4):289-302
Lower limb dominance (or lateral preference) could potentially effect functional performance. Clinicians are often asked to make judgements as to when a patient has sufficiently “recovered” from an injury, typically using strength and dynamic performance outcome measures. The primary purpose of this study was to systematically review the literature in relation to limb dominance within active adult populations and discuss some limitations to current methods and relate this to current clinical practice. A search of MEDLINE and CINAHL and EMBASE databases and reference lists of those articles identified was performed. Eleven articles were selected for meta-analysis. There was no statistical effect of limb dominance for any of the functional tests: isokinetic quadriceps and hamstring tests, hamstring:quadriceps ratios, single-leg hop for distance, single-leg vertical jump and vertical ground reaction force following a single-leg vertical jump. Pooled symmetry values varied from 94.6% to 99.6% across the tests, above the clinically accepted benchmark of 90% used in clinical practice. Although the results of this study must be used with discretion, asymmetries in the tasks described in this analysis should be viewed as undesirable and remedied accordingly. Further research is needed to quantify asymmetries, particularly in relation to sport-specific contexts. 相似文献