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71.
Identifying factors related to physical activity levels in young people is important for a more efficient health promotion. The aims of this study were to assess physical activity levels in a national sample of urban Spanish adolescents, and to examine the association between significant others' physical activity (father, mother, brother, sister, and close friends) and that of the adolescents. The present study comprised 2260 adolescents (1157 boys, 1103 girls) aged 13.0-18.5 years participating in the AVENA Study. Both the adolescents' physical activity and that of their relatives and close friends was assessed by questionnaire. The odds of being active were higher in boys than girls (odds ratio?=?2.79, 95% confidence interval?=?2.34-3.33) and tended to decrease across age groups in both boys and girls. Father's and older brother's physical activity was associated with boys' physical activity, while that of any significant other was associated with girls' physical activity. When both parents reported being active, boys had nearly two times higher odds of being active and girls had nearly three times higher odds of being active. The physical activity levels of Spanish adolescents are in line with those previously reported. Physical activity levels in girls are strongly related to the physical activity of any significant other, whereas physical activity levels in boys are only related to their male relatives' physical activity.  相似文献   
72.
When a student demonstrates a challenging or problematic behaviour in the classroom, the climate and the instructional experience can change dramatically for both the students and the classroom teacher. Before resorting to sanctions and punitive consequences, there is a series of steps a classroom teacher can conduct to reduce and replace the challenging behaviour with desired and positive behaviours. The Functional Behavioural Assessment (FBA) is a systematic data collection process used to ascertain information about a student demonstrating a challenging behaviour(s). Typically reserved for students receiving special education services, the FBA can assist students in the general education curriculum as well. More importantly, the FBA process can be of great use in helping the classroom teacher better understand the challenging behaviour, the triggers for the behaviour and the reinforcing consequences of the behaviour. This paper will review the fundamentals of the FBA process, advantages of the process, and practical steps the classroom teacher can use to conduct an FBA.  相似文献   
73.
The purpose of this study was to evaluate an experiential learning project with BSW students to see if their perceptions of older adults have changed. The project consisted of an oral history project and presentation that matched BSW students with older adults from diverse ethnic backgrounds to gather their immigration narratives. The study used a single group pretest posttest design with 17 BSW students enrolled in an integrative field seminar class. Using a series of inferential analyses, BSW students’ attitudes towards older adults, future career plans, confidence with working with older adults from diverse backgrounds, and geriatric competencies were examined. Overall, a significant increase in BSW students who had varying levels of participation in project perceptions of geriatric social work competencies between pretest and posttest were found. Students who both conducted and presented the oral histories of older adults also were significantly more likely to report future plans to work with older adults compared to students who did not. Exposing BSW students to aging and diversity content has important implications towards fostering student interest in pursuing social work practice with older adults and preparing them for culturally competent social work.  相似文献   
74.
La radio es uno de los medios tecnológicos más accesibles sin grandes recursos al medio escolar, a la vez que brinda un repertorio didáctico enormemente rico y flexible. En este artículo se pasa revista a un buen abanico de estas posibilidades.  相似文献   
75.
Abstract

This study aimed to evaluate the autonomic modulation of heart rate in sedentary paraplegics and paraplegic wheelchair basketball players with thoracic spinal cord injury below T6. Seven paraplegic wheelchair basketball players (active paraplegic group), five paraplegics who were not involved in regular exercise (sedentary paraplegic group) and 10 able-bodied participants (control group) took part in the study. The heart rate variability was evaluated by linear (low frequency and high frequency band in normalised units and low frequency/high frequency ratio) and nonlinear methods (Shannon entropy, corrected conditional entropy, and symbolic analysis).

The sedentary group presented significantly higher values for low frequency, low frequency/high frequency ratio and symbolic index with no significant variations (0V%), and also lower values for the high frequency and symbolic index with two significant unlike variation (2ULV%) compared to active paraplegic group. Shannon entropy and corrected conditional entropy analyses revealed significantly lower values in the sedentary group than in the control or active paraplegic groups. Paraplegic individuals who regularly undertake physical exercise have higher complexity of R-R interval time series, lower sympathetic modulation, and higher parasympathetic modulation than sedentary paraplegic participants.  相似文献   
76.
77.
The Cider Game is a simulator for a supply chain-related learning environment. Its main feature is that it provides support to students in the constructivist discovery process when learning how to make logistics decisions, at the same time as noting the occurrence of the bullwhip phenomenon. This learning environment seeks a balance between direct instruction in the learning process on the part of the tutor, and a suitable and sufficient degree of freedom to regulate independent learning on the part of students. This article describes the basic learning mechanisms using the Cider Game and the graphical learning environments that it provides. We describe the functionality provided by this application, and analyse the effect over the rational understanding of the bullwhip phenomenon by the students and whether they are able to make decisions to minimise its impact, studying the differences when that decision-making learning is done individually or in groups.  相似文献   
78.
Students learned about teaching principles with a multimedia program that either did not include a classroom exemplar illustrating how to apply the learned principles to the teaching practice (control group) or included a classroom exemplar in video, animation, or text format. Across two experiments, video and animation groups reported more favorable attitudes towards learning and were better able to apply the learned principles than the control group. Text and control groups did not differ in their learning or attitudes towards learning, suggesting that format is an important factor in determining the effectiveness of classroom exemplars as pedagogical tools for teacher education. Results encourage the use of visual classroom exemplars to promote the application of theory into practice.  相似文献   
79.
The need to better engage low-income communities affected by revitalization of the built environment has been well documented in urban planning. Guided by communication infrastructure theory (CIT), this study presents a research project that made concerted efforts at engaging neighborhoods of Northeast Los Angeles that are experiencing rapid gentrification. The project was a partnership with a multi-sector collaborative working on the revitalization of the L.A. River and its surrounding communities. This paper specifically demonstrates how CIT's social ecological orientation was applied to seek input on L.A. River and community revitalization from storytelling networks made up of residents, small businesses, and local media. We also examine the impact of this engaged research on the organizational partners of the collaborative, and their views on community engagement in revitalization. Lastly, we discuss how the lessons learned broadly speak to future opportunities and challenges that aim for communicative planning approaches to urban revitalization.  相似文献   
80.

The present study aimed to investigate the double-deficit hypothesis (DDH) in an orthography of intermediate depth. Eighty-five European Portuguese-speaking children with developmental dyslexia, aged 7 to 12, were tested on measures of phonological awareness (PA), naming speed (NS), reading, and spelling. The results indicated that PA and NS were not significantly correlated, and that NS predicts reading fluency (but not reading accuracy and spelling) beyond what is accounted for by PA. Although the majority of the children with developmental dyslexia have double deficit (62.4%), some children have a single phonological deficit (24.7%) or a single NS deficit (8.2%). Children with a double deficit were not more impaired in reading fluency, reading accuracy, and spelling than both single-deficit subtypes. In conclusion, the findings of the present study are partially consistent with the DDH and provide evidence for the multifactorial model of developmental dyslexia. Implications of the DDH for an orthography of intermediate depth are emphasized.

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