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201.
This study sought to identify specific types of discussion-based strategies that two successful high school physics teachers using a model-based approach utilized in attempting to foster students' construction of explanatory models for scientific concepts. We found evidence that, in addition to previously documented dialogical strategies that teachers utilize to engage students in effectively communicating their scientific ideas in class, there is a second level of more cognitively focused model-construction-supporting strategies that these teachers utilized in attempting to foster students' learning. A further distinction between macro and micro strategy levels within the set of cognitive strategies is proposed. The relationships between the resulting three levels of strategies are portrayed in a diagramming system that tracks discussions over time. The study attempts to contribute to a clearer understanding of how discussion-leading strategies may be used to scaffold the development of conceptual understanding. 相似文献
202.
Jia Yi Chow 《Quest (Human Kinetics)》2013,65(4):469-484
This article provides a brief overview of the framework of nonlinear pedagogy and evidence emanating from motor learning literature that underpins a nonlinear pedagogical approach. In addition, challenges for nonlinear pedagogy and a discussion on how nonlinear pedagogy support the work of physical education (PE) teachers will be shared. Evidence from the increasing volume of work on nonlinear learning from motor learning literature is used to suggest how acquisition of movement skills is supported by nonlinearity. The emergence of goal-directed behaviors is a consequence of the performer, environmental, and task constraints. With a nonlinear pedagogy approach, the focus is on the individual learner where opportunities for meaningful actions can be learnt. Design principles based on representativeness, focus of attention, functional variability, manipulation of constraints, and ensuring relevant information-movement couplings can be delivered via pedagogical channels of instructions, practices, and feedback to the learners. Importantly, this focus on the individual sets the foundation for a developing nonlinear pedagogy framework to enhance teaching in PE although the challenges are non-trivial. 相似文献
203.
John W. Chow Duane V. Knudson 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(3):219-233
A deterministic model is a modeling paradigm that determines the relationships between a movement outcome measure and the biomechanical factors that produce such a measure. This review provides an overview of the use of deterministic models in biomechanics research, a historical summary of this research, and an analysis of the advantages and disadvantages of using deterministic models. The deterministic model approach has been utilized in technique analysis over the last three decades, especially in swimming, athletics field events, and gymnastics. In addition to their applications in sports and exercise biomechanics, deterministic models have been applied successfully in research on selected motor skills. The advantage of the deterministic model approach is that it helps to avoid selecting performance or injury variables arbitrarily and to provide the necessary theoretical basis for examining the relative importance of various factors that influence the outcome of a movement task. Several disadvantages of deterministic models, such as the use of subjective measures for the performance outcome, were discussed. It is recommended that exercise and sports biomechanics scholars should consider using deterministic models to help identify meaningful dependent variables in their studies. 相似文献
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How can the enterprise of looking at the consequences of testing in America be moved forward? What are the responsibilities of the key actors? How can we accumulate the evidence that we need? 相似文献
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Knudson D Noffal G Bauer J McGinnis P Bird M Chow J Bahamonde R Blackwell J Strohmeyer S Abendroth-Smith J 《Sports biomechanics / International Society of Biomechanics in Sports》2003,2(2):267-277
To help instructors in evaluating innovations in biomechanics instruction, a standardised test of the key concepts taught in the introductory biomechanics course was developed. The Biomechanics Concept Inventory (BCI) consists of 24 questions that test four prerequisite competencies and eight biomechanics competencies. Three hundred and sixty seven students from ten universities throughout the United States took the test at the beginning and the end of the introductory biomechanics course. Analysis of a sub-sample of the students showed that the BCI was reliable with typical errors in internal consistency and test-retest conditions of 1.4 and 2.0 questions, respectively. Mean pre-test scores (8.5 +/- 2.0) significantly (p < 0.0001) improved to 10.5 +/- 3.2 in the posttest (n = 305). Typical biomechanics students could correctly answer half of the prerequisite questions on the pre-test. Instruction resulted in a mean normalised gain (g) of 13.0% of maximum possible improvement that was consistent with research on traditional instruction in introductory physics courses. It was concluded that the BCI could be an effective tool to evaluate the overall effect of pedagogical strategies on student learning of key biomechanical concepts in the introductory biomechanics course. 相似文献
210.
Clement A. Stone 《Educational Measurement》1993,12(2):37-39
Book reviewed in this article:
Using National Data Bases in Educational Research Thomas L. Hilton (Ed.) 相似文献
Using National Data Bases in Educational Research Thomas L. Hilton (Ed.) 相似文献