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11.
Israel Halperin Dale W. Chapman David T. Martin Chris Abbiss 《Journal of sports sciences》2017,35(5):500-507
Research indicates that instructing athlete’s to focus on bodily movements (internal focus of attention [IFA]) may hinder performance, whereas instructing them to focus on the movement outcome (external focus of attention [EFA]) often enhances performance. Despite the importance of instructions in striking combat sports, limited research has examined the influence of IFA and EFA on performance in well-trained combat athletes. This study investigated the effects of different instructional cues on punching velocity (m · s?1) and normalised impact forces (N · kg?1) among intermediate (n = 8) and expert (n = 7) competitive boxers and kickboxers. Athletes completed three rounds of 12 maximal effort punches delivered to a punching integrator on three separate days. Day one was a familiarisation session with only control instructions provided. In the following two days athletes randomly received IFA, EFA or control instructions prior to each of the three rounds. Athletes punching with EFA were 4% faster and 5% more forceful than IFA (P < 0.05), and 2% faster and 3% more forceful than control (P < 0.05). Furthermore, experts punched 11% faster and with 13% greater force compared with intermediate athletes (P < 0.05). EFA led to a positive effect on punching performance and should be favoured over IFA and control instructions. 相似文献
12.
《Journal of Intercultural Communication Research》2013,42(1):17-24
This study sought to investigate argumentative and aggressive communication and to test for conceptual/methodological equivalence in the Bulgarian culture. One hundred and twenty six Bulgarian residents completed short forms concerning argumentativeness and verbal aggressiveness. Confirmatory factor analysis revealed support for conceptual and methodological equivalence of both constructs. However, gender differences that have historically been observed in other cultures were not observed in Bulgaria. The findings support the growing body of research indicating that argumentativeness and verbal aggressiveness are etic in nature. 相似文献
13.
The present study examined whether ADHD children exhibit low verbal IQ (VIQ) and distinguishable test profile on the Verbal comprehension (VC) and Freedom from distractibility (FFD) factors, and whether gender influences their verbal abilities. At the Laboratory of Neuropsychology of the Department of Special Education, University of Thessaly, WISC‐III verbal scales were administered to 69 ADHD children (50 boys and 19 girls) and controls who were matched for age and sex. Mean scores for all WISC‐III verbal scales, VIQ, VC and FFD of ADHD children were significantly lower than controls. FFD was found lower than VC and it correlated statistically significantly with VC in ADHD children. No gender differences were found among ADHD children. 相似文献
14.
攻击行为是以伤害或损害另一生物体为目的,且该生物体想要避开的任何形式(身体、心理、言语)的行为。根据自2000年以来,国内外学者对体育运动的攻击行为( Aggression in sports)的研究,从运动员攻击行为的定义、测量方法以及影响因素入手,以展示运动攻击领域的最新研究成果,并对该领域未来的研究提出了自己的想法。 相似文献
15.
李俊 《六盘水师范高等专科学校学报》2015,(4)
骂詈是一种特殊的言语行为,它的产生和其它事物的产生过程一样,有着纷繁复杂的动机,或憎恨、或泄愤、或取乐、或出自关心和亲昵,有些甚至是出自于个体的言语习惯。骂詈语作为人类语言的一种,有其独特的功能,满足个体的需要和社会的需要。 相似文献
16.
375 students from 24 randomly selected classes of a three-tier secondary school system were tested in a longitudinal study for their text-picture integration and pure reading competence as well as verbal and spatial intelligence at grades 5–7. Data were analyzed according to the integrated model of text and picture comprehension using hierarchical linear modeling techniques. Results indicate that text-picture integration comprises higher spatial cognitive demands than pure reading. School tiers differed in terms of competency levels, but also in terms of growth rates of text-picture integration competence. Differences between lower tiers and higher tiers for text-picture integration competence became smaller from grade to grade, whereas developmental trajectories of reading competence ran parallel to each other. The study reveals that the skills for the conjoint processing of text and pictures develop in a way that might help especially poorer students in lower school tiers to catch up with their mates in higher tiers as compared to the competence of pure reading. Text-picture integration seems to provide gradually better opportunities for less capable learners to compensate for previous lags in their learning. 相似文献
17.
Objective
The primary research objective was to explore the relationship between trajectories of maternal verbal aggression (VA) experienced by low-income, community middle school students across a three-year period and outcomes that have been found to be related to VA in previous work, including a negative view of self and social problems.Method
Longitudinal data were collected from 421 youth (51.8% male) attending two middle schools over 3 years using a multiple-informant survey design. K-means cluster analysis was used to identify trajectories of VA using youth ratings of the Conflict Tactics Scale: Parent-Child (Straus, Hamby, Finkelhor, Moore, & Runyan, 1998). Dependent variables were self-reported depression, self-esteem, delinquency, and peer victimization as well as peer-rated aggression and sensitive-isolated reputation.Results
Four trajectory groups of VA were identified: Low Stable, Increasing, Decreasing, and High Stable. The 3-year average occurrence of VA was: 1.31, 9.18, 10.24, and 31.14 instances, respectively. Gender-specific MANOVAs revealed dramatic differences between the High Stable and Low Stable groups. High Stable boys reported significantly more depressive symptoms, delinquency, peer overt and relational victimization, and were less likely to have a sensitive/isolated reputation than Low Stable boys. High Stable girls reported significantly more depressive symptoms, low self-esteem, delinquency, peer overt and relational victimization and were rated by peers as having more aggressive/disruptive and relationally aggressive reputations than Low Stable girls. Girls in the High Stable group were more likely than other youth to report levels of depressive symptoms and delinquency >1 SD above the mean, while boys in the High Stable group were more likely to report levels of delinquency >1 SD above the mean. The Increasing and Decreasing groups also demonstrated significantly poorer functioning than the Low Stable group on most outcomes. Growth curve analysis revealed that VA showed a contemporaneous association with self-reported delinquency suggesting these factors are closely related.Conclusions
Any level of VA greater than the 1–2 instances per year reported by youth in the Low Stable group was associated with less favorable outcomes. 相似文献18.
Jennifer L. Etnier Paul M. Sprick Jeffrey D. Labban Chia-Hao Shih Stephen M. Glass Jarod C. Vance 《Journal of sports sciences》2020,38(19):2264-2272
ABSTRACT Meta-analytic evidence supports that exercise has benefits for short-term memory (STM) and long-term memory (LTM). However, only three studies with children have tested the differential effects of exercise on STM and LTM. The purpose of this study was to examine the effects of an aerobic fitness test on STM and LTM and to consider the moderating effects of grade level. Children (7–13 years of age) were randomly assigned to either perform an aerobic fitness test before (exercise prior) or after (exercise post) performing the Rey Auditory Verbal Learning Test (RAVLT) to assess memory. Memory was tested again after approximately 24 hours. There were significant differences in memory performance as a function of grade with 4th and 6th graders consistently outperforming 2nd graders. For learning, Day 1 Retention, 24-hr recall, and Day 2 Retention, the exercise prior group performed better than the exercise post group. It is concluded that an aerobic fitness test performed prior to a declarative memory test benefits LTM as compared to when the aerobic fitness test is performed after the memory test. 相似文献
19.
One aspect of lesbian/gay-parented families that merits attention is the coming out of the parents to their children. In the present study, we extended the current literature by exploring both the emotional and verbal responses of children who find out their parents are lesbian/gay. Findings showed that, while participants experienced a combination of negative, neutral, and positive reactions to learning about their parents’ sexual orientation, verbal reactions were limited to supportive messages and information seeking. Practical implications for lesbian/gay parented families and practitioners are included. 相似文献
20.
王凤青 《绵阳师范学院学报》2007,26(4):123-126
抗战爆发后,傅斯年参加了国民政府组织的国民参政会,并在其中热心活动。具体来讲,分为关注内政问题,积极提出议案;认真行使质询权,敢于仗义执言;为促成国共和谈,奔波于国共之间。傅斯年在国民参政会的言行表现了一个知识分子在民族危机面前对救国救民理想的不懈追求。 相似文献