Children's Acceptance Ratings of a Child with a Facial Scar: The Impact of Positive Scripts     

Laura A. Nabors  Heather D. Lehmkuhl  Joel S. Warm 《Early education and development》2004,15(1):79-92

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Effects of a minimalist shoe on running economy and 5-km running performance     

Joel T Fuller  Dominic Thewlis  Margarita D Tsiros  Nicholas A.T Brown  Jonathan D Buckley 《Journal of sports sciences》2016,34(18):1740-1745

The purpose of this study was to determine if minimalist shoes improve time trial performance of trained distance runners and if changes in running economy, shoe mass, stride length, stride rate and footfall pattern were related to any difference in performance. Twenty-six trained runners performed three 6-min sub-maximal treadmill runs at 11, 13 and 15 km·h^?1 in minimalist and conventional shoes while running economy, stride length, stride rate and footfall pattern were assessed. They then performed a 5-km time trial. In the minimalist shoe, runners completed the trial in less time (effect size 0.20 ± 0.12), were more economical during sub-maximal running (effect size 0.33 ± 0.14) and decreased stride length (effect size 0.22 ± 0.10) and increased stride rate (effect size 0.22 ± 0.11). All but one runner ran with a rearfoot footfall in the minimalist shoe. Improvements in time trial performance were associated with improvements in running economy at 15 km·h^?1 (r = 0.58), with 79% of the improved economy accounted for by reduced shoe mass (P < 0.05). The results suggest that running in minimalist shoes improves running economy and 5-km running performance.  相似文献   

Local knowledge,global knowledge: The role of local language literacy for lifelong learning in rural African contexts     

Trudell  Joel  Cheffy  Ian 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2019,65(3):409-425

International Review of Education - Lifelong learning is an established concept in international education, with the discourse surrounding it implying that it is globally relevant. Nevertheless,...  相似文献   

Lane bias in elite-level swimming competition     

Christopher Brammer  Andrew Cornett  Joel Stager 《Journal of sports sciences》2017,35(3):283-289

Performance outcomes at the 2013 World Swimming Championship were previously shown to be biased depending on the swimmer’s lane assignment. The purpose of this study was to determine if this kind of bias was unique, and if not, if the bias was related to the temporary or permanent nature of the pool. The effect of lane on the average odd-length split minus the preceding even-length split in the 800- and 1500-m freestyle events, and on the relative change from qualifying to preliminary performance in the 50-m events, was determined for 16 other elite-level competitions. Depending on the swimmers’ direction, split times were on average 0.16 s slower or faster in at least one lane at each of the 16 competitions, and in 49% of all lanes analysed. In 5 competitions, swimmers were shown to be faster in a majority of lanes in one direction as compared to the other. Analysis of the 50-m events at these 5 competitions indicate that preliminary performances were between 0.5 and 0.9% slower or faster than qualifying times, which is consistent with the direction effect observed in the distance freestyle events. Further, lane biases occur more often in temporary pools (70% of lanes) than in permanent pools (35% of lanes), with water currents as the most plausible cause. The prevalence of lane bias at elite-level swimming competition highlights the need for the implementation of policies and procedures to prevent such bias from occurring again in the future.  相似文献   

Special education students in the labour market: four case studies     

Joel Kivirauma 《欧洲特需教育杂志》2013,28(2):148-156

ABSTRACT

This paper examines the employment status of 10 young men 10 years after leaving classes for the socially maladjusted. On the basis of their work careers, they were placed in one of 4 labour market sectors using the criteria (1) employed/unemployed at the time of the interview, and (2) history of long‐term/short‐term employment. Half of the young men were unemployed, 4 were working and 1 in prison. The large percentage of unemployed respondents was due to the exceptionally difficult economic situation prevailing in Finland at the time the interviews were carried out, as a result of which the national unemployment rate approached almost 20 per cent. Despite a lack of vocational education, all the young men but one had a positive attitude towards work, and those unemployed were actively seeking a job. There was almost no relation between the young men's school career and their work career, since those who had the longest‐lasting jobs were those young men who had had the most difficulties in school. When measured in terms of length of employment, the attachment of these young men to working life differed greatly: one had been for the entire postschool period (almost 10 years) in the service of the same employer, while another had had several jobs of a few months’ duration interspersed with periods of unemployment.  相似文献   

EDUCATION AND THE AMERICAN EMPIRE     

Joel Spring 《Review of Education, Pedagogy & Cultural Studies》2013,35(1):51-54

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Teaching Science for Understanding at MIT: Engaging the Best and the Brightest     

Joel J. Mintzes 《Journal of Science Education and Technology》2007,16(4):365-368

Abstact Studies of instructional technology at MIT can help us understand "how good students go wrong" and how "models of practice" can be used to inform our work on instructional technology.  相似文献   

Behavioral control and resiliency in the onset of alcohol and illicit drug use: a prospective study from preschool to adolescence   总被引：4，自引：0，他引：4  

Wong MM  Nigg JT  Zucker RA  Puttler LI  Fitzgerald HE  Jester JM  Glass JM  Adams K 《Child development》2006,77(4):1016-1033

The developmental trajectories of behavioral control and resiliency from early childhood to adolescence and their effects on early onset of substance use were examined. Behavioral control is the tendency to express or contain one's impulses and behaviors. Resiliency is the ability to adapt flexibly one's characteristic level of control in response to the environment. Study participants were 514 children of alcoholics and matched controls from a longitudinal community sample (Time 1 age in years: M =4.32, SD =0.89). Children with slower rates of increase in behavioral control were more likely to use alcohol and other drugs in adolescence. Children with higher initial levels of resiliency were less likely to begin using alcohol.  相似文献   

Multi-age-grouping paradigm for young swimmers     

Kojima K  Jamison PL  Stager JM 《Journal of sports sciences》2012,30(3):313-320

The purpose of this study was to examine the adequacy of "multi-age" classification systems in youth sports with a specific focus on the unisex multi-age-groupings used by USA Swimming. In addition, we offer an analytical rationale for the multi-age-groupings and potential alternatives. We examined the top 100 US swim performances for three years (2005, 2006, and 2007) for girls and boys in 15 age-groups (7 to 20 years and a singular group of 21 years and older). Data for each age and sex were pooled over the three years and means were calculated for each of seven competitive swim events. Swim times differed among each age up to the 14-year age-group in girls (F (14,30885) = 183.9, P < 0.01, Cohen's d = 1.19-3.72, large effect) and 16-year age-group in boys (F (14,30885) = 308.7, P < 0.01, Cohen's d = 0.81-3.64, large effect) for all events. Age-related differences in swim times continued later in boys than girls likely due to differences between the sexes in timing of growth and maturation. Because of the differences in swim performance in contemporary multi-age-groups, stratifying swimmers by a single age is the best means to ensure competitive fairness and equality, although there is no rationale for swimmers under the age of 8 years to compete in separate unisex competitive groups.  相似文献   

The differential effects of two self‐managed math instruction procedures: Cover,Copy, and Compare versus Copy,Cover, and Compare     

Joel M. Grafman  Gary L. Cates 《Psychology in the schools》2010,47(2):153-165

This study compared the fluency and error rates produced when using the Cover, Copy, and Compare (CCC) and a modified CCC procedure (MCCC) called Copy, Cover, and Compare to complete subtraction math problems. Two second‐grade classrooms consisting of 47 total students participated in the study. The following items were administered to participants: (a) a timed pretest, (b) a timed CCC worksheet, (c) a timed MCCC worksheet, and (d) a timed posttest. Then the participants were asked which procedure they liked best. Results revealed significantly higher digits correct per minute (i.e., fluency scores) on the posttest when compared with the pretest scores. Likewise, students' fluency scores were significantly higher under the CCC condition when compared to the MCCC condition. There were no significant differences in accuracy from pretest to posttest nor between the CCC and MCCC conditions. Discussion focuses on implications for modifying instructional strategies, measuring student progress, implications for practice, and directions for future research. © 2009 Wiley Periodicals, Inc.  相似文献