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Rob O’Donoghue 《Environmental Education Research》2005,11(4):445-454
This response to McKenzie suggests that the issues of representivity, legitimacy and politics, inscribed within an institutional continuism characteristic of modernity within the McKenzie discourse, could well be recast within a reflexive view informed by insights derived with developing social theory. It briefly overviews the struggle for human agency that played out within the deconstructive engagements of the posts and probes how perspectives in social theory are opening the way for a break with features of environmental education as an institutional field. The review points to a reconstituting of the idea of environmental education research from scholastic field of/for environmental awareness and sustainable development, to a reflexive engagement within processes of social reproduction and reorientation in a changing world. A shift such as this would constitute a subtle change in a developing field of research, to situated design decisions of reflexive engagement (research) in social fields constituted within developing cultural contexts of risk. 相似文献
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Ruud J. R. Den Hartigh A. Susan M. Niessen Wouter G. P. Frencken Rob R. Meijer 《European Journal of Sport Science》2018,18(9):1191-1198
The selection of athletes has been a central topic in sports sciences for decades. Yet, little consideration has been given to the theoretical underpinnings and predictive validity of the procedures. In this paper, we evaluate current selection procedures in sports given what we know from the selection psychology literature. We contrast the popular clinical method (predictions based on overall impressions of experts) with the actuarial approach (predictions based on pre-defined decision rules), and we discuss why the latter approach often leads to superior performance predictions. Furthermore, we discuss the “signs” and the “samples” approaches. Taking the prevailing signs approach, athletes’ technical-, tactical-, physical-, and psychological skills are often assessed separately in controlled settings. However, for predicting later sport performance, taking samples of athletes’ behaviours in their sports environment may result in more valid assessments. We discuss the possible advantages and implications of making selection procedures in sports more actuarial and sample-based. 相似文献
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R T Withers N P Craig C T Ball K I Norton N O Whittingham 《Journal of sports sciences》1991,9(3):299-311
The Drinkwater-Ross anthropometric fractionation of body mass (mass = sigma skeletal, residual, fat and muscle masses), lean body mass (LBM = sigma skeletal, residual and muscle masses) and fat mass (FM) were compared with the measured body mass, together with the densitometrically estimated fat-free mass (FFM) and fat mass (FM), of 205 male (mean +/- S.D.: 74.66 +/- 10.55 kg; 10.1 +/- 3.7% BF by densitometry) and 177 female (mean +/- S.D.: 59.14 +/- 8.85 kg; 18.5 +/- 5.1% BF by densitometry) South Australian State representatives in a variety of sports. Most absolute differences (d) between the measured body masses and those resultant from the sum of the four fractionated masses (male: d = 2.15 kg or 2.9%; female: d = 1.27 kg or 2.2%) were within what one would expect from random day-to-day variation. However, this was not so for the comparisons between the fractionated LBM (male: d = 2.54 kg or 3.8%; female: d = 2.45 kg or 5.2%) and FM scores (male: d = 1.67 kg or 30.0%; female: d = 2.40 kg or 20.0%) and their densitometric counterparts. These differences are probably related to a combination of the densitometric and fractionation assumptions. 相似文献
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The need for nurses to participate in continuing professional development (CPD) is growing to keep abreast of rapid changes in nursing care. Concurrently, the nursing workforce is growing older. Ageing leads to changes in biological, psychological, and social functioning. Little is known about the effects of age-related changes on nurses’ CPD. A literature review was conducted to examine whether and how CPD differs across age groups. A framework with five perspectives on age was used in an attempt to distinguish factors contributing to these age differences. Given the limited research on this topic with respect to nurses, we also included studies of workers in general. The literature search revealed 27 relevant studies. In general, older workers appeared less likely to participate in CPD, when considering formal learning activities and late-career workers (older than 50/55 years). We found no clear age patterns for motivation to participate in CPD, for learning outcomes, and for participation in informal and non-formal learning activities. The study showed that more nuanced results are found when studies distinguish at least three age groups. By using different perspectives of age, a comprehensive overview of age-related factors in CPD was generated and gaps in current research were identified. Recommendations for further research are discussed, such as the need for research on whether the types of learning activities that nurses undertake change with ageing. 相似文献