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51.
This study aims to analyse the issue of child sex tourism (CST) and its correlation with sporting mega-events, taking into consideration the implementation of preventive public policy in the host city of Recife (located in the north-east of Brazil), during the 2014 FIFA Football World Cup. Through a qualitative approach based on a three-year longitudinal study – using interviews, observation and photographs – the theme will be analysed by considering the involved social issues, and the implications for excluded sectors of society in the organization of so-called mega-events. A total of 36 interviews were conducted with 22 individuals, who were divided into three groups: project managers, local population and children abused. CST does not occur in a vacuum and cannot be disconnected from more general social, economic and cultural concerns, which are often overlooked in analyses. Although this study is based upon a short-term timescale, the results obtained in the analysed projects have been satisfactory, but over the long term, effective social and educational measures must be prioritized in order to improve the situation for the actors involved. As part of a sporting mega-event, the topic of child sex tourism remains marginal, particularly in countries where social inequality persists. 相似文献
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It has previously been shown that measurement of the critical speed is a non-invasive method of estimating the blood lactate response during exercise. However, its validity in children has yet to be demonstrated. The aims of this study were: (1) to verify if the critical speed determined in accordance with the protocol of Wakayoshi et al. is a non-invasive means of estimating the swimming speed equivalent to a blood lactate concentration of 4 mmol x l(-1) in children aged 10-12 years; and (2) to establish whether standard of performance has an effect on its determination. Sixteen swimmers were divided into two groups: beginners and trained. They initially completed a protocol for determination of speed equivalent to a blood lactate concentration of 4 mmol x l(-1). Later, during training sessions, maximum efforts were swum over distances of 50, 100 and 200 m for the calculation of the critical speed. The speeds equivalent to a blood lactate concentration of 4 mmol x l(-1) (beginners = 0.82 +/- 0.09 m x s(-1), trained = 1.19 +/- 0.11 m x s(-1); mean +/- s) were significantly faster than the critical speeds (beginners = 0.78 +/- 0.25 m x s(-1), trained = 1.08 +/- 0.04 m x s(-1)) in both groups. There was a high correlation between speed at a blood lactate concentration of 4 mmol x l(-1) and the critical speed for the beginners (r= 0.96, P < 0.001), but not for the trained group (r= 0.60, P> 0.05). The blood lactate concentration corresponding to the critical speed was 2.7 +/- 1.1 and 3.1 +/- 0.4 mmol x l(-1) for the beginners and trained group respectively. The percent difference between speed at a blood lactate concentration of 4 mmol x l(-1) and the critical speed was not significantly different between the two groups. At all distances studied, swimming performance was significantly faster in the trained group. Our results suggest that the critical speed underestimates swimming intensity corresponding to a blood lactate concentration of 4 mmol x l(-1) in children aged 10-12 years and that standard of performance does not affect the determination of the critical speed. 相似文献
53.
Successful aging is the ability to maintain low probability of disease and disability, high cognitive and physical functioning, and active engagement with life (Rowe &; Kahn, 1999). These criteria allow for a minority of people to be classified as being “successful” and overlook the importance of psychological variables in balancing the weight of disease. A total of 1322 seniors (55 + years) were classified on their overall functioning according to core domains (health, psychological, cognitive, biobehavioural, social, personality). Findings support the idea that a broader perspective of aging outcomes, rather than success criteria, may better reflect reality. 相似文献
54.
Sedentary behaviour (SB) is an independent health risk-factor and interrupting SB seems to be beneficial. SB is both defined by posture and intensity, thus objective measurement of postures remains a priority. The ActivPAL inclinometer (AP) has been used as a reference for postural estimation, but information on the validity of the Actigraph inclinometer (AGincl) is scarce. We compared postural estimation from waist-worn AGincl against thigh-worn AP, under free-living. Data from 10 participants (50.4 ± 11.4 years) were used and each 15s-block from 60-valid days was matched for the devices’ comparison. At group level, no differences were found for SB and standing-time between inclinometers (p ≥ 0.05). AGincl underestimated stepping-time by 26.3 min and overestimated SB-to-upright transitions by 200.7 occasions (p < 0.05). Inter-individual variability was higher for SB and standing-time, and AGincl was in better agreement with AP for the stepping-time (area under the ROC curve = 0.98, with 100% sensitivity and 94% specificity; CCC = 0.44). These results highlight potential error in estimating individual postures using AGincl in overweight/obese adults and provide insights on the differences of using specific criteria on data-analysis. Our findings suggest that at the group level, AGincl provides similar estimates compared to AP for SB and standing-time, but not for SB-to-upright transitions or stepping-time. (ClinicalTrials.govID:NCT02007681) 相似文献
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56.
AbstractOver the last three decades, research in this field has addressed different early literacy skills and studied the pedagogical practices that promote the initial learning of reading and writing skills. This study develops a programme that promotes early literacy skills, called Ouvir as Letras (Listen to the Letters). The efficacy of the programme was evaluated in comparison with two implementations of the Portuguese preschool education curriculum: one structured and the other semi-structured, in a quasi-experimental design with a pre-test, post-test and follow-up. The study was carried out with the participation of 124 five- and six-year-old children who attended preschool in four schools in the north of Portugal. The results suggest that the Ouvir as Letras programme was more effective in facilitating the acquisition of basic skills to initiate children in the learning of written language. 相似文献
57.
Francimar Martins Teixeira 《International Journal of Science Education》2013,35(5):507-520
This paper is concerned with children's conceptions of the structure and function of the human digestive system. It is based on data from an investigation carried out with 45 children between the ages of four and ten. The results indicated that (1) children possess biological knowledge as an independent knowledge domain from the age of 4; (2) the acquisition of the concept of digestion leads to a conceptual revision and enrichment; (3) the concept of transformation can constitute an obstacle to comprehension of the scientific model of the functions of the digestive system. 相似文献
58.
Jaime A. Teixeira da Silva 《Publishing Research Quarterly》2014,30(1):166-178
Snub publishing is a new term that was coined in 2013 to describe a range of publishing cases in which the failure of quality control manifested itself through references in such a way that it would cause unintended damage to snubbed scientists whose names or identity were incorrectly represented in the literature. In this paper, real case studies are presented, mostly related to the author as a “victim” of incompetent editorial oversight, inexperienced or biased authors, or as a “victim” of direct professional conflicts of interest. In essence, this paper serves as a prototype showing in concrete terms how a scientist can or may be professionally snubbed (intentionally or unintentionally). Using the Anthurium literature, this paper aims to raise awareness about snub publishing and seeks to encourage other scientists to also quantify how they too may have been professionally snubbed in the literature. 相似文献
59.
Vitor Hugo Teixeira Liliana Gonçalves Tiago Meneses Pedro Moreira 《Journal of sports sciences》2014,32(13):1279-1285
AbstractThere is a paucity of dietary data in football referees. In this study, 23 elite main and assistant referees (34.4 ± 5.6 years) completed a 7-day dietary record during the competitive season. No nutritional intake differences were observed between main and assistant referees. Referees’ mean daily energy intake (DEI) was 2819 ± 279 kcal. The intake of proteins (1.7 ± 0.2 g · kg?1), carbohydrates (4.1 ± 0.8 g · kg?1) and fats (1.4 ± 0.2 g · kg?1) represented, respectively, 18.4 ± 1.5%, 44.4 ± 4.4% and 34.6 ± 4.1% of the DEI. Carbohydrate intakes before, during and after exercise were 66 ± 42, 7 ± 15 and 120 ± 62 g. Daily carbohydrate, fibre, polyunsaturated fat and water intakes were below recommendations, while fat, saturated fat, cholesterol and sodium intakes were above recommended values. The prevalence of inadequate intake was high for vitamin E (96%), folate (74%), vitamin A (61%), vitamin C (39%), magnesium (26%) and calcium (22%). Carbohydrate intake before, during and after exercise were far from achieving the minimum recommended values. Most referees demonstrated a negligent behaviour of hydration during exercise. Referees would benefit from dietary education in order to optimise performance and health. 相似文献
60.
The topic of declining private higher education (PHE) has become a timely one, especially for many countries that had previously experienced a rapid and massive expansion of their systems of higher education, and of PHE in particular. In the case of Portugal this was very likely due to the stabilisation and then the slight decline in the number of applicants and the steady expansion of the public system Thus, the Portuguese system has become an interesting case study of the several types of strategies that may be adopted by PHE institutions when facing a declining student demand. 相似文献