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排序方式： 共有190条查询结果，搜索用时 234 毫秒
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Carter J Wilkinson D Blacker S Rayson M Bilzon J Izard R Coward A Wright A Nevill A Rennie K McCaffrey T Livingstone B 《Journal of sports sciences》2008,26(6):553-561
The aim of this study was to assess the capability of the 3dNX accelerometer to predict energy expenditure in two separate, free-living cohorts. Twenty-three adolescents and 14 young adults took a single dose of doubly labelled water and wore a 3dNX activity monitor during waking hours for a 10-day period while carrying out their normal routines. Multiple linear regression with backward elimination was used to establish the strength of the associations between various indices of energy expenditure, physical activity counts, and anthropometric variables. 3dNX output accounted for 27% and 35% of the variance in the total energy expenditure of the adolescent and young adult cohort, respectively. The explained variance increased to 78%, with a standard error of estimate of 7%, when 3dNX output was combined with body composition variables. The 3dNX accelerometer can be used to predict free-living daily energy expenditure with a standard error of estimate of 1.65 MJ in adolescents and 1.52 MJ in young adults. The inclusion of anthropometric variables reduces the error to approximately 1 MJ. Although it remains to cross-validate these models in other populations, early indications suggest that the 3dNX provides a useful method of predicting energy expenditure in free-living individuals. 相似文献
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Lynne Vernon‐Feagans Kathleen Gallagher Marnie C. Ginsberg Steve Amendum Kirsten Kainz Jason Rose Margaret Burchinal 《Learning disabilities research & practice》2010,25(4):183-193
With the advent of “Response to Intervention” there has been emphasis on preventing reading disabilities. This study examined the effectiveness of a classroom teacher Tier II intervention for struggling readers in kindergarten and first grade called the Targeted Reading Intervention. Three rural schools were randomly assigned to experimental and control conditions, with 8 experimental and 12 control classrooms. Five struggling and five non‐struggling readers were randomly selected from each classroom. With the support of biweekly coaching, experimental teachers instructed struggling readers in one‐on‐one sessions in the classroom. Intent‐to‐treat analyses revealed significant kindergarten gains for initial word identification but no significant gains in first grade. Discussion focuses on the use of classroom teachers to prevent reading disabilities. 相似文献
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Naomi J. Steiner Tahnee Sidhu Kirsten Rene Kathryn Tomasetti Elizabeth Frenette Robert T. Brennan 《Educational Assessment, Evaluation and Accountability》2013,25(4):281-302
Observational measures can add objective data to both research and clinical evaluations of children’s behavior in the classroom. However, they pose challenges for training and attaining high levels of interrater reliability between observers. The Behavioral Observation of Students in Schools (BOSS) is a commonly used school-based observation instrument that is well adapted to measure symptoms of attention deficit/hyperactivity disorder (ADHD) in the classroom setting. Reliable use of the BOSS for clinical or research purposes requires training to reach reliable standards (kappa?≥?0.80). The current study conducted training observations in one suburban and one urban elementary school in the Greater Boston area. To enhance interrater reliability and reduce training time, supplemental guidelines, including 30 additional rules to follow, were developed over two consecutive school years. The complete protocol was then used for training in the third school year. To reach sufficient interrater reliability (kappa?≥?0.80) during training, 45 training observations were required in the first year while, in the third year, only 17 observations were required. High interrater reliability was sustained after training across all three school years, accumulating a total of 1,001 post-training observations. It is estimated that clinicians or researchers following this proposed protocol, who are naive to the BOSS, will require approximately 30 training observations to reach proficient reliability. We believe this protocol will make the BOSS more accessible for clinical and research usage, and the procedures used to obtain high interrater reliability using the BOSS are broadly applicable to a variety of observational measures. 相似文献
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Kirsten Ostergaard 《期刊图书馆员》2013,64(2):155-168
The increased development and use of electronic and information technology in higher education raises questions about accessibility for individuals with disabilities. In academic libraries, providing accessible electronic information resources ensures equal access and opportunity to information. This article provides a contextual understanding of accessibility in higher education as well as strategies for evaluating, negotiating, and procuring accessible electronic resources licensed through third party vendors. 相似文献
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Kathleen Cranley Gallagher Kirsten Kainz Lynne Vernon-Feagans Kelley Mayer White 《Early childhood research quarterly》2013
An increasing body of literature documents associations between student–teacher relationships, children's academic success, and children's social competence in school. Less is known about characteristics and processes involved in the quality of relationships between students and teachers, and little research has examined these issues with populations of young students and teachers living in rural communities. The current study examined the relationships between rural kindergarten and first-grade students and their teachers in spring of the school year, predicted by child demographic factors, child process factors, and teacher characteristics. Using a multi-level model to account for clustering of children in classrooms, children's behavior and literacy skills were examined as contributors to the teachers’ perceptions of the developing teacher–student relationship, focusing on their potential to mediate associations between more distal characteristics and teacher–student relationships. Controlling for relationship conflict in fall, boys and African American students were more likely to have relationships with teachers that were higher in conflict in spring. When behavior and literacy skills measures were added to the model, children's behavior mediated the effect of gender, such that behavior problems accounted for much of the variance in student–teacher conflict associated with gender. However, neither behavior problems nor literacy skills mediated the effects of minority status on conflict; African American students had poorer relationships with teachers regardless of behavior or literacy skills. 相似文献
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In this paper, it is argued that adults with learning difficulties represent a significant marginalized group within society whose experiences may shed light on a range of political and social values affecting those in the mainstream, as well as on the periphery. We begin by considering some possible meanings of the learning society and some features of the social and economic context which have promoted interest in the concept. An economistic reading of the learning society may prove problematic for adults with learning difficulties, since it may be argued that this group is unlikely to be highly productive and therefore will not provide a good return on money invested in education and training. Although an emphasis on social capital may lead to the inclusion of people with learning difficulties, this outcome is by no means automatic since high levels of social cohesion may be based on the ruthless exclusion of those regarded as deviant. Finally, we suggest some ways in which promoting the concept of lifelong learning for adults with learning difficulties may enable us to develop deeper understandings of the experiences of education, training and employment. 相似文献