Starting to Read     

Ros Fisher 《Literacy》1994,28(2):22-27

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Uses of the internet in portugal     

Cândido Varela de Freitas Professor of Education  Luís Valente 《Educational technology research and development : ETR & D》2001,49(4):117-120

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Off the record: outsourcing security and state building to private firms and the question of record keeping,archives, and collective memory     

Frederik Rosén 《Archival Science》2008,8(1):1-14

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Knee joint position sense of roller hockey players: a comparative study     

João Venâncio  Diogo Lopes  Joaquim Lourenço  Fernando Ribeiro 《Sports biomechanics / International Society of Biomechanics in Sports》2016,15(2):162-168

This study aimed to compare knee joint position sense of roller hockey players with an age-matched group of non-athletes. Forty-three male participants voluntarily participated in this cross-sectional study: 21 roller hockey players (mean age: 23.2 ± 4.2 years old, mean weight: 81.8 ± 9.8 kg, mean height: 180.5 ± 4.1 cm) and 22 age-matched non-athletes (mean age: 23.7 ± 3.9 years old, mean weight: 85.0 ± 6.2 kg, mean height: 181.5 ± 5.0 cm). Knee joint position sense of the dominant limb was evaluated using a technique of open-kinetic chain and active knee positioning. Joint position sense was reported using absolute, relative and variable angular errors. The main results indicated that the group of roller hockey players showed significantly lower absolute (2.4 ± 1.2º vs. 6.5 ± 3.2º, p ≤ 0.001) and relative (1.7 ± 2.1º vs. 5.8 ± 4.4º, p ≤ 0.001) angular errors in comparison with the non-athletes group. In conclusion, the results from this present study suggest that proprioceptive acuity, assessed by measuring joint position sense, is increased in roller hockey players. The enhanced proprioception of the roller hockey players could contribute to injury prevention and improved performance during sporting activities.  相似文献   

Interdisciplinary therapy changes superoxide dismutase activity and adiponectin in obese adolescents: a randomised controlled trial     

João Elias Dias Nunes  Heitor Santos Cunha  Zulmária Rezende Freitas  Ana Maria Caixeta Nogueira  Ana Raimunda Dâmaso  Foued Salmen Espindola 《Journal of sports sciences》2016,34(10):945-950

The objective of this study is to evaluate the effect of interdisciplinary therapy in the parameters of the oxidative stress and the anti-inflammatory responses of obese adolescents. We selected 57 participants, who were randomly divided into 2 groups: interdisciplinary therapy group and a control group. After 6 months of intervention, 17 participants of the interdisciplinary therapy group and 8 of the control group returned for re-evaluation. The interdisciplinary therapy group participated in a treatment with 4 weekly sessions of exercise, a weekly group therapy session and a weekly nutritional education session. Blood parameters of oxidative stress and anti-inflammatory response were evaluated. The results demonstrated that there were significant increases in the interdisciplinary therapy group for superoxide dismutase activity (6.56 ± 3.22 to 11.40 ± 7.49) and ferric-reducing antioxidant potential concentration (532.91 ± 106.48 to 573.25 ± 112.57), although adiponectin levels did not reduce (40.9 ± 29.34 to 49.05 ± 41.22). A significant decrease in nitrite levels was also found (14.23 ± 8.48 to 11.45 ± 6.05). In the control group, significant reduction was found in adiponectin (31.56 ± 18.88 to 18.01 ± 11.66). This study suggests that interdisciplinary therapy for 6 months was effective in improving the anti-inflammatory responses and the antioxidant defences in obese adolescents.  相似文献   

Why Can Intermediate Abstractions Help Acquire Robust Representations?     

Baruch Schwarz 《Interactive Learning Environments》2013,21(1):181-203

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Psychological Correlates of Fear of Falling in the Elderly     

Oscar Ribeiro  Ângela R. Santos 《Educational gerontology》2015,41(1):69-78

Fear of falling (FOF) is widely found in the elderly population and, regardless of its complex nature as a multicomponent construct, its related psychological variables have been overlooked as primary research topics. This article aims to examine the relationship between FOF, falls self efficacy, anxiety, balance, and perceived control over falling in a sample of older adults. A total of 100 subjects aged 60+ were asked about the presence of FOF, falls history, health, and functional status; they also completed the Falls Efficacy Scale (FES), the Geriatric Anxiety Inventory (GAI), the Perceived Control Over Falling Scale (PCOF), and the Performance-Oriented Assessment of Mobility and Balance (POMA-I). FOF was found to be associated with low falls self efficacy, low perceived control over falling, and reduced balance but not with anxiety. Conversely, a statistically significant association was found between GAI and FES, PCOF and POMA-I, and 47.1% of FOF was explained by two items from FES and GAI. FOF is influenced by variables that, though being commonly considered equivalent to FOF, do not fully explain it. A critical thought on the instruments used to evaluate FOF, is needed as well as additional studies to clarify the role of specific psychological variables.  相似文献   

Children’s Visual Scanning of Textual Documents: Effects of Document Organization,Search Goals,and Metatextual Knowledge     

Anna Potocki  Christine Ros  Nicolas Vibert  Jean-François Rouet 《Scientific Studies of Reading》2017,21(6):480-497

This study examines children’s strategies when scanning a document to answer a specific question. More specifically, we wanted to know whether they make use of organizers (i.e., headings) when searching and whether strategic search is related to their knowledge of reading strategies. Twenty-six French fifth graders were asked to search single-page documents presented on the screen of an eye tracker in order to respond to questions requiring the location of information in either a single paragraph (Location questions) or multiple paragraphs (Comparison questions). Location questions were easier and faster to answer than Comparison questions. The presence of headers led to more selective reading strategies but did not significantly speed up the search. Strong individual differences were observed in children’s scanning strategies: Some systematically fixated headers, whereas others did not. These differences were not significantly related to the participants’ decoding or comprehension skills but rather to their knowledge of reading strategies.  相似文献   

A questionnaire on mathematics learning strategies (CEAMA): measurement and properties of an adaptation into Spanish / Cuestionario de Estrategias de Aprendizaje para las Matemáticas (CEAMA): medida y propiedades de una adaptación en lengua castellana     

Javier Gasco-Txabarri  Iker Ros  Alfredo Goñi 《Cultura y Educación》2017,29(1):183-209

Learning strategies are an essential tool to enable the autonomous and active learning of mathematics and it is therefore necessary to identify these strategies correctly. The objective of this research is to analyse the factorial structure of the Spanish version of a questionnaire that measures the use of these strategies in the subject of mathematics (Cuestionario de Estrategias de Aprendizaje para las Matemáticas [CEAMA]). We adapt a questionnaire based on the MSLQ (Motivated Strategy for Learning Questionnaire), since it is focused on the context of mathematics learning. The study has been conducted in different schools located in the Basque Country and collects data from 631 students of the second, third and fourth years of compulsory secondary education (ESO). The results show a hepta-scale structure compared to the six-scale structure proposed by the original English version. The difference is detected in the division of metacognitive strategies into two factors: planning and monitoring/regulation. This finding improves data on metacognition in mathematics teaching and learning, making it richer and more exhaustive. The suitability of certain items is discussed.  相似文献   

Perceptual activity and concept attainment     

D Elkind  W van Doorninck  C Schwarz 《Child development》1967,38(4):1153-1161

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