Review 2     

Margaret J. McLaughlin 《欧洲特需教育杂志》2017,32(2):289-291

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Testimonial Virtue     

Emily Robertson 《Educational Studies A Journal of the American Educational Studies Association》2016,52(4):363-372

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The effect of acceleration signal processing for head impact numeric simulations     

Andrew Post  J. Michio Clark  D. G. E. Robertson  T. Blaine Hoshizaki  Michael D. Gilchrist 《Sports Engineering》2017,20(2):111-119

Brain injury research in sport employs a variety of physical models equipped with accelerometers. These acceleration signals are commonly processed using filters. The purpose of this research was to determine the effect of applying filters with different cutoff frequencies to the acceleration signals used as input for finite element modeling of the brain. Signals were generated from reconstructions of concussion events from American football and ice hockey in the laboratory using a Hybrid III headform. The resulting acceleration signals were used as input for the University College Dublin Brain Trauma Model after being processed with filters. The results indicated that using a filter with a cutoff of 300 Hz or higher had little effect on the resulting strain measures. In some cases there was some effect of the filters on the peak linear (8–30g) and rotational measures (1000–4000 rad/s²), but little effect on the finite element strain result (approximately 2–6 %). The short duration and high magnitude accelerations, such as the puck impact, were most affected by the cutoff frequency of different filters.  相似文献   

Happiness in the classroom: Strategies for teacher retention and development     

Joachim De Stercke  Nancy Goyette  Jean E. Robertson 《Prospects》2015,45(4):421-427

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The use of player physical and technical skill match activity profiles to predict position in the Australian Football League draft     

Carl T. Woods  James P. Veale  Neil Collier  Sam Robertson 《Journal of sports sciences》2017,35(4):325-330

This study investigated the extent to which position in the Australian Football League (AFL) national draft is associated with individual game performance metrics. Physical/technical skill performance metrics were collated from all participants in the 2014 national under 18 (U18) championships (18 games) drafted into the AFL (n = 65; 17.8 ± 0.5 y); 232 observations. Players were subdivided into draft position (ranked 1–65) and then draft round (1–4). Here, earlier draft selection (i.e., closer to 1) reflects a more desirable player. Microtechnology and a commercial provider facilitated the quantification of individual game performance metrics (n = 16). Linear mixed models were fitted to data, modelling the extent to which draft position was associated with these metrics. Draft position in the first/second round was negatively associated with “contested possessions” and “contested marks”, respectively. Physical performance metrics were positively associated with draft position in these rounds. Correlations weakened for the third/fourth rounds. Contested possessions/marks were associated with an earlier draft selection. Physical performance metrics were associated with a later draft selection. Recruiters change the type of U18 player they draft as the selection pool reduces. juniors with contested skill appear prioritised.  相似文献   

Principals Judge Teachers by Their Teaching     

Andy Nixon  Abbot Packard  Margaret Dam 《The Teacher Educator》2013,48(1):58-72

This quantitative study investigated the relationship between teacher dispositions, subject content knowledge, pedagogical content knowledge, and reasons that school principals recommend non-renewal of probationary teachers' contracts. Principals in the Southeastern Unites States completed an e-mailed survey. Two nonparametric tests, Kruskal-Wallis and Mann Whitney U, were used to statistically analyze group responses. Principals reported that they observed most a lack of pedagogical content knowledge from ineffective teachers and they prioritized the importance of instructional skills in deciding whether to non-renew a teacher contract. Principals identified teacher integrity, dependability, and honesty as important dispositions. The studies' findings are important for universities that prepare preservice teachers and also for the planning of professional development initiatives. The study findings suggest that principals tend to view dispositions as personality characteristics rather than as teacher competencies and that teacher expertise in both subject content and pedagogy must be woven together.  相似文献   

What does mentoring mean to experienced teachers? A phenomenological interview study     

Margaret L. Jewell 《The Teacher Educator》2013,48(4):289-303

Abstract

This report investigates mentoring from the perspectives of 7 experienced secondary public school teachers from four different school districts in Oklahoma. The participants' teaching experience ranged from 10 to 30years. The author reviewed the research process and data provided through the teachers' interviews and protocol writings to further explain the nature of mentoring and the benefits of mentoring experienced teachers. The experienced teachers benefited from the mentoring process and their mentoring experiences in two important areas. At the professional level, the teachers gained a sense of self as professional educators. At the personal level, these teachers identified mentoring as a process that worked in almost any situation; in addition, they recognized that conversing about concerns with a knowledgeable colleague was a workable solution for solving issues.  相似文献   

‘Mind the Gap’: the influence of assessment criteria in primary school mentoring     

Margaret Entwistle 《Mentoring & Tutoring: Partnership in Learning》2013,21(3):48-57

This paper considers the signs student teachers on a PGCE Secondary Course display as evidence of a readiness to progress to a higher level of performance. It includes activity types which enable mentors to assess progress in relation to established competence areas. The arguments and proposals are founded on the outcomes of qualitative research methods conducted over a period of time with mentors and student teachers on a PGCE Secondary Modern Foreign Languages programme.  相似文献   

Sojourner reentry: a grounded elaboration of the integrative theory of communication and cross-cultural adaptation     

Margaret Jane Pitts 《Communication monographs》2016,83(4):419-445

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Explaining match outcome in elite Australian Rules football using team performance indicators     

Sam Robertson  Nicole Back  Jonathan D. Bartlett 《Journal of sports sciences》2016,34(7):637-644

The relationships between team performance indicators and match outcome have been examined in many team sports, however are limited in Australian Rules football. Using data from the 2013 and 2014 Australian Football League (AFL) regular seasons, this study assessed the ability of commonly reported discrete team performance indicators presented in their relative form (standardised against their opposition for a given match) to explain match outcome (Win/Loss). Logistic regression and decision tree (chi-squared automatic interaction detection (CHAID)) analyses both revealed relative differences between opposing teams for “kicks” and “goal conversion” as the most influential in explaining match outcome, with two models achieving 88.3% and 89.8% classification accuracies, respectively. Models incorporating a smaller performance indicator set displayed a slightly reduced ability to explain match outcome (81.0% and 81.5% for logistic regression and CHAID, respectively). However, both were fit to 2014 data with reduced error in comparison to the full models. Despite performance similarities across the two analysis approaches, the CHAID model revealed multiple winning performance indicator profiles, thereby increasing its comparative feasibility for use in the field. Coaches and analysts may find these results useful in informing strategy and game plan development in Australian Rules football, with the development of team-specific models recommended in future.  相似文献