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42.
Rodrigo Ramirez-Campillo Cristian Alvarez Javier Sanchez-Sanchez Maamer Slimani Paulo Gentil Mohamed Souhaiel Chelly 《Journal of sports sciences》2013,31(23):2645-2652
ABSTRACTThe effects of plyometric jump training on the physical fitness of male youth (age = 10–17 years) soccer players was examined in relation to inter-set recovery intervals and the maturity of the players in a single-blind, randomized-and controlled crossover trial. Jumping tests and kicking velocities were measured before (T0), after a 6 week control period (T1), after 6 weeks of plyometrics (T2), after 6 weeks of wash-out (T3), and after a further 6 weeks of plyometrics (T4). Subjects were divided into pre- and post- peak-height-velocity (PHV) groups, and were randomly assigned to 30 s or 120 s inter-set intervals during periods T2 and T4. Any changes in jumping and maximum kicking velocities during T1 and T3, had trivial effect sizes (0.01–0.15), but small to moderate improvements (effect size = 0.20–0.99) were observed in both groups during T2 and T4. Gains in pre-PHV players were similar for the two inter-set intervals, but gains in post-PHV players were greater (p < 0.05) with an inter-set recovery of 120 s than with a 30 s recovery. We conclude that plyometric jump training improves the physical fitness of adolescents, irrespective of their maturity, but that in older individuals gains are greater with a longer inter-set recovery interval. 相似文献
43.
The aim of this article is to clarify the university teacher roles and competencies in online learning environments, with a view to assisting in the design of professional development activities. This referential framework results from an extensive review of the literature and from analysing professional development designed in different European universities. It is worth mentioning that the definitions that will be produced do not refer to standards of teacher performance; on the contrary, we would like to emphasise the notion of socially situated competencies which are derived from the roles and tasks attributed to university teachers in online learning environments, without losing track of the dialectics and integrity of their exercise. 相似文献
44.
Tarkington J. Newman Melissa Kim Anita R. Tucker M. Antonio G. Alvarez 《Physical Education & Sport Pedagogy》2018,23(3):280-293
Background: Participation in youth sport is often associated with a variety of positive development outcomes. In order to effectively utilize sport as a context of learning and development, the sport must be intentionally designed and programed. One often-used approach is known as sport-based positive youth development (PYD). Recently, to further enhance the intentionality of a sport-based PYD approach, several researchers have posited the potential benefits of applying experiential learning theory to youth sport programing. Through utilizing experiential learning within a sport-based PYD approach, it is believed youth sport can be designed to intentionally promote desired PYD outcomes.Purpose: Experiential learning theory offers a deep understanding and history of effective youth programing. However, within the field of experiential learning, many different pedagogical approaches exist. To date, sport-based PYD has yet to identify a specific pedagogical approach within experiential learning. In order to be accessible and applicable for youth sport leaders, a more definitive pedagogical approach is needed. One specific application of experiential learning which offers specific programing techniques that are compatible with a sport-based PYD approach is adventure pedagogy.Conclusions: Adventure pedagogy draws from adventure-based learning and adventure-based groupwork. Thus, adventure pedagogy is defined as a participant-centered approach consisting of intentionally designed and sequenced challenging group activities, which, when processed and debriefed, can lead to a shared opportunity for growth and development related to the intrapersonal development and interpersonal skills. Specifically, to enhance the programing and practices of the youth sport leader, this paper identifies key tenets of adventure pedagogy and highlights their applicability within a sport-based PYD approach. These tenets include the promotion of PYD outcomes, physical and emotional safety, intentionally designed activities, sequencing of prescribed activities, a novel learning experiences, intentional facilitation, challenging group activities, real and immediate consequences, and debriefing to transfer learning. Through the integration of adventure and sport-based PYD, youth sport leaders can effectively program and facilitate youth sport to promote desired PYD outcomes. 相似文献
45.
The impact of teacher preparation on responses to student aggression in the classroom 总被引:1,自引:0,他引:1
Despite advances in the development and implementation of school-based interventions, aggression in American schools remains a significant problem for educators. The present study examines the influence of teacher preparation on responses to classroom aggression. A sample of 121 teachers employed in 11 public schools across Southwest Virginia completed measures of teaching characteristics and responded to vignettes depicting student aggression. Multiple regression analyses were used to evaluate the process by which teachers respond to classroom aggression, and the moderating influence of teacher training. Results confirmed the importance of prior training in supporting classroom management. Implications are discussed as they relate to relevant models and recent clinical and educational research initiatives. 相似文献
46.
Carys Evans CJ O’Connor Thomas Graves Florence Kemp Alex Kennedy Phoebe Allen 《Changing English: An International Journal of English Teaching》2020,27(3):244-254
ABSTRACT In response to the Covid-19 pandemic, on 18 March 2020, Prime Minister Boris Johnson announced the immediate closure of schools in England. (The closure was not absolute: schools would remain open for vulnerable children and the children of key workers. In practice, though, very few children have continued to attend.) In what follows, nine English teachers reflect on their experience of teaching under lockdown. 相似文献
47.
48.
Alvarez J Adebanjo AM Davidson MK Jason LA Davis MI 《American annals of the deaf》2006,151(4):418-422
Deaf individuals seeking substance abuse recovery are less likely to have access to treatment and aftercare services because of a lack of culturally and linguistically specific programs and insufficient information about existing services. Previous research indicates that Oxford House, a network of resident-run recovery homes, serves a diverse group of individuals in recovery. However, research has not addressed the experiences of Deaf Oxford House residents. The present study found no significant differences between Deaf and hearing men living in Oxford House in terms of sense of community and abstinence self-efficacy. However, while most of the hearing participants were employed, none of the Deaf Oxford House members were. The study's findings indicate that Oxford House may be a promising Deaf-affirmative alternative for individuals seeking recovery from substance abuse. However, since Oxford Houses are self-supporting, Oxford Houses designed for the Deaf community may face unique economic challenges. 相似文献
49.
Urban Students’ Perceptions of Teachers: Views of Students in General, Special, and Honors Education
Students’ satisfaction with school experiences has been linked to their sense of belongingness, connection to school, and
achievement. Though the extant research addresses students’ perceptions of school climate and sense of belonging, there is
a paucity of research about students’ views of teacher–student interactions. Five hundred and seventy-seven students from
one ethnically and academically diverse urban high school were surveyed and interviewed about the nature of teacher talk with
students. Findings from this mixed-methods investigation indicate students from general, special, and honors programs experience
a wide range of interactions based on academic services received, gender, and ethnicity. More frequent perceived punitive
feedback was reported by all students in special education as well as males in general and honors education programs, while
Hispanic students indicated a greater frequency of perceived supportive feedback. Findings also reflect a wide range of attitudes
and feelings about teachers, the educational system, and learning. 相似文献
50.
This paper focuses on a fresh and fair way to determine a ranking of science journals according to the “number of citations-to
and articles published,” data used by SCI Journal Citation Reports of ISI to determine journal ranking by “impact factor.”
Impact is considered a latent variable defined by a set of items (citations and articles published). The theoretical background
is Item Response Theory, which suggests that, if we can understand how each item in a set of items operates with an object,
then we can estimate a measure for the object. The Rasch model is the most common formulation of that theory. This technique
is here applied to the citations and articles published of 62 medical journals (objects) to provide a Rasch measure for these
journals which is compared with the current “impact factor” computation. 相似文献