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151.
Scott C. Wearing I. S. Davis T. Brauner S. L. Hooper T. Horstmann 《Journal of sports sciences》2013,31(23):2735-2743
ABSTRACTThe capacity of foot-strike running patterns to influence the functional properties of the Achilles tendon is controversial. This study used transmission-mode ultrasound to investigate the influence of habitual running foot-strike pattern on Achilles tendon properties during barefoot walking and running. Fifteen runners with rearfoot (RFS) and 10 with a forefoot (FFS) foot-strike running pattern had ultrasound transmission velocity measured in the right Achilles tendon during barefoot walking (≈1.1 ms?1) and running (≈2.0 ms?1). Temporospatial gait parameters, ankle kinematics and vertical ground reaction force were simultaneously recorded. Statistical comparisons between foot-strike patterns were made using repeated measure ANOVAs. FFS was characterised by a significantly shorter stance duration (?4%), greater ankle dorsiflexion (+2°), and higher peak vertical ground reaction force (+20% bodyweight) than RFS running (P < .05). Both groups adopted a RFS pattern during walking, with only the relative timing of peak dorsiflexion (3%), ground reaction force (1–2%) and peak vertical force loading rates (22–23%) differing between groups (P < .05). Peak ultrasound transmission velocity in the Achilles tendon was significantly higher in FFS during walking (≈100 ms?1) and running (≈130 ms?1) than RFS (P < .05). Functional Achilles tendon properties differ with habitual footfall patterns in recreational runners. 相似文献
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This investigation was conducted to test the effectiveness of strategy teaching and sequencing practice problems in teaching students with learning disabilities to identify the correct algorithm for solving addition and subtraction word problems. Sixty-two students were assigned to one of three experimental groups: strategy plus sequence, strategy only, and sequence only. The results indicated that students in the strategy-plus-sequence group, as well as those in the strategy-only group, scored significantly higher than did students in the sequence-only group. Findings indicated that strategy teaching was the more effective of the two instructional components. Implications are discussed in terms of instructional design for students with learning disabilities. 相似文献
154.
Joseph F. T. Nese Dan Farley Daniel Anderson 《Learning disabilities research & practice》2019,34(2):97-109
We used data from the 2014–2015 easyCBM assessment system to explore the applied reading intervention characteristics in a sample of 3,074 Grade 1 students (and 5,145 interventions) in school districts applying a multitiered systems of support (MTSS) framework. We describe the number of interventions, number of assessments, the intervention start dates, curricula, instructional strategies, tier, group size, frequency, dosage, total time, and quantitative intensity. We found variance across all instructional variables, with 156 curricula and 59 instructional strategies applied. Based on our data, a “typical” intervention was a Tier 2 intervention that began before October, was delivered for 30 minutes/day for 5 days/week in a group with three to five students, was changed once if at all, and student progress was most likely monitored with word reading fluency measures. 相似文献
155.
Abbie E. Smith-Ryan Eric T. Trexler Hailee L. Wingfield Malia N.M. Blue 《Journal of sports sciences》2016,34(21):2038-2046
The purpose of this study was to evaluate two practical interval training protocols on cardiorespiratory fitness, lipids and body composition in overweight/obese women. Thirty women (mean ± SD; weight: 88.1 ± 15.9 kg; BMI: 32.0 ± 6.0 kg · m2) were randomly assigned to ten 1-min high-intensity intervals (90%VO2 peak, 1 min recovery) or five 2-min high-intensity intervals (80–100% VO2 peak, 1 min recovery) or control. Peak oxygen uptake (VO2 peak), peak power output (PPO), body composition and fasting blood lipids were evaluated before and after 3 weeks of training, completed 3 days per week. Results from ANCOVA analyses demonstrated no significant training group differences for any primary variables (P > 0.05). When training groups were collapsed, 1MIN and 2MIN resulted in a significant increase in PPO (?18.9 ± 8.5 watts; P = 0.014) and time to exhaustion (?55.1 ± 16.4 s; P = 0.001); non-significant increase in VO2 peak (?2.36 ± 1.34 ml · kg?1 · min?1; P = 0.185); and a significant decrease in fat mass (FM) (??1.96 ± 0.99 kg; P = 0.011). Short-term interval exercise training may be effective for decreasing FM and improving exercise tolerance in overweight and obese women. 相似文献
156.
残障儿童的父母.是孩子一生最好的教育者,因为他们在孩子成长的过程中无私奉献,恪尽责任。对那些有残障儿童的家庭而言.“知识就是力量”这句话就是真理。这些家长需要掌握关于残障症状的特点、教育治疗方案和策略等信息,以提升日常生活质量。家长们也想知道什么样的服务最适合孩子.如何获得这些服务.如何定位家长角色以确保孩子的进步.[第一段] 相似文献
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159.
T. W. Maxwell 《The Australian Educational Researcher》1990,17(3):85-93
The article explores the communication of data to schools by researchers and evaluators. The stance is taken that the research process is one in which the participants are involved in a mutually supportive enterprise in which the relationship should be viewed as co-operation between professional colleagues, i.e., a relationship in which perceived status is minimised but one in which different knowledge and expertise exists on both sides. It is argued that the obtaining of data at school sites requires the researcher to provide data to their sources. Careful consideration needs to be given by researchers to the process and methods of communication of data to school communities. Issues addressed include audience, terminology, prose and other forms of presentation. A case is made for the researcher to become involved in dialogue to enhance the “meaning-making” of practitioners and themselves. The article concludes with a set of guidelines for researchers. 相似文献
160.
Anthony T. Milanowski Herbert G. Heneman III 《Journal of Personnel Evaluation in Education》2001,15(3):193-212
This article reports on teachers' reactions to a pilot implementation of a new standards-based teacher evaluation system in a medium-sized Midwestern school district. The system, based on the Framework for Teaching (Danielson, 1996), was intended to serve as the foundation for a new knowledge and skill pay plan for teachers. Teacher reactions were measured using both interview and survey methods. Teachers' overall favorableness toward the system, as measured by the survey, was correlated with acceptance of the teaching standards, perception of the evaluation process as fair and the evaluator as capable and objective, and perception that the evaluation system had a positive impact on their teaching. In interviews, teachers perceived both positive and negative aspects of the system, and for many these more or less balanced each other. While most teachers accepted the evaluation standards and the need for an evaluation system, many also perceived that the system added too much to teachers' workloads and did not provide enough feedback. Based on these results several changes were made in the evaluation system prior to full implementation. The results are discussed with reference to previous research and the Personnel Evaluation Standards. 相似文献