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JONATHAN SINCLAIR JIM RICHARDS PAUL J. TAYLOR CHRISTOPHER J. EDMUNDSON DARRELL BROOKS SARAH J. HOBBS 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(3):272-282
The treadmill is an attractive device for the investigation of human locomotion, yet the extent to which lower limb kinematics differ from overground running remains a controversial topic. This study aimed to provide an extensive three-dimensional kinematic comparison of the lower extremities during overground and treadmill running. Twelve participants ran at 4.0 m/s ( ± 5%) in both treadmill and overground conditions. Angular kinematic parameters of the lower extremities during the stance phase were collected at 250 Hz using an eight-camera motion analysis system. Hip, knee, and ankle joint kinematics were quantified in the sagittal, coronal, and transverse planes, and contrasted using paired t-tests. Of the analysed parameters hip flexion at footstrike and ankle excursion to peak angle were found to be significantly reduced during treadmill running by 12° (p = 0.001) and 6.6° (p = 0.010), respectively. Treadmill running was found to be associated with significantly greater peak ankle eversion (by 6.3°, p = 0.006). It was concluded that the mechanics of treadmill running cannot be generalized to overground running. 相似文献
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PAUL BRACEWELL 《Journal of sports sciences》2013,31(8):611-620
The performance of individual rugby players can be quantified using multivariate analysis and modified control chart methodology. Using factor analysis, multivariate data are reduced to five orthogonal factors (key performance indicators). These factors are reduced to a single measure of performance by modifying control chart ideology. By comparing the observed performances with 'unattainable perfection' rather than the average, a statistic that is suitable for monitoring the performance of individual rugby players with control charts is obtained for use by coaches and selectors. 相似文献
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PAUL STANDISH 《Journal of Philosophy of Education》2020,54(2):319-339
The topic of testimony has gained increased prominence in recent years in epistemology, where it is typically taken to refer to the possible acquisition of knowledge through the understanding and acceptance of someone else's judgement. There is no doubt that learning in this way is a prominent feature of education. This conception of testimony contrasts, however, with the more restricted way in which it is commonly understood: everyday usage situates the concept in such contexts as places of worship and courts of law. Testimony in these contexts is likely to be seen by the epistemologist as a special case of testimony in the wider sense, but is this accurate? With reference to contrasting traditions in philosophy and drawing on examples from film and literature, this paper considers the relationship between the epistemological and the everyday senses of testimony, exploring the significance of these matters for questions of teaching and learning as well as for the understanding of language as a whole. 相似文献
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PAUL M. ROBINS KRISTIN M. SCHOFF JOSEPH J. GLUTTING A. SHAYNE ABELKOP 《Psychology in the schools》2003,40(2):145-154
Examined discriminative validity of the Parent Rating Scale (PRS) of the Behavior Assessment System for Children (BASC; Reynolds & Kamphaus, 1992, Circle Pines, MN: American Guidance Services). Two groups were compared: a cohort with recurrent abdominal pain (RAP) (n= 49) and children from the BASC‐PRS standardization sample (n = 49) matched on the background characteristics of age, race/ethnicity, and gender. A multivariate, two‐group discriminant function analysis was used to compare groups across standard scores from the nine clinical scales of the PRS. Results demonstrated that children with RAP could be differentiated (Wilks λ = .642, F = 6.45, df (9, 88), p < .001), and demonstrated higher scores on the Somatization, Depression, Anxiety, Attention Problems, and Withdrawal scales. Subsequent jackknifed classification analysis, diagnostic efficiency statistics, and an odds ratio for the classification analysis added to the overall validity of results. The practical utility of the BASC‐PRS is further supported in light of expanding roles for school psychologists in the assessment and treatment of children with health problems. © 2003 Wiley Periodicals, Inc. Psychol Schs 40: 145–154, 2003. 相似文献
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The Research Community ‘Philosophy and History of the Discipline of Education’ was established in 1999. First an overview is given of the two main areas into which the more than 180 chapters published in 12 books can be grouped. In general the papers are addressing ‘internal’ educational research topics and more ‘external’ relations. The suite of papers in this issue continues the selection of material presented during the 2017 and 2018 meetings and follow on from the suite published in an issue of this journal earlier this year (54:3). Next, the suite of papers appearing in this issue is introduced. In this, and the preceding suite, aspects of the production and acceleration, as well as of the (re)presentation, dissemination and reception of educational research are brought into focus. 相似文献
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KAREN FRANÇOIS KATHLEEN COESSENS NIGEL VINCKIER JEAN PAUL VAN BENDEGEM 《Journal of Philosophy of Education》2020,54(5):1419-1442
This paper investigates the impact of publication pressure on the ethics and the scientific integrity in the domain of mathematics and of the arts. Both research fields are specific in their methodology, being that they do not start from a classical hypothesis and researchers in these areas are not knowing what the outcome will be. The research design is open, and creativity is a main part of the research investigation. Both research fields do not rely on empirical cases nor on data collection or data handling. This could be a reason why mathematics and arts seem to be less subject to scientific misconduct. After presenting the (inter)national regulations on ethics and integrity, we will investigate a philosophical analysis in which we consider possible influences from publication pressure that became widespread over all disciplines. We will clarify if and how mathematics and the arts are sensitive to scientific research misconduct or questionable research practices. 相似文献
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