Improving a Counselor Education Web Site Through Usability Testing: The Bibliotherapy Education Project     

Paula S. McMillen  Dale‐Elizabeth Pehrsson 《Counselor Education & Supervision》2009,49(2):122-136

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Body mass changes during training in elite rugby union: Is a single test of hydration indices reliable?     

Katherine Elizabeth Black  Alistair David Black  Dane Baker  Kirsty Fairbairn 《European Journal of Sport Science》2018,18(8):1049-1057

There is limited research studying fluid and electrolyte balance in rugby union players, and a paucity of information regarding the test–retest reliability. This study describes the fluid balance of elite rugby union players across multiple squads and the reliability of fluid balance measures between two equivalent training sessions. Sixty-one elite rugby players completed a single fluid balance testing session during a game simulation training session. A subsample of 21 players completed a second fluid balance testing session during an equivalent training session. Players were weighed in minimal clothing before and after each training session. Each player was provided with their own drinks which were weighed before and after each training session. More players gained body weight (9 (14.8%)) during training than lost greater than 2% of their initial body mass (1 (1.6%)). Pre-training body mass and rate of fluid loss were significantly associated (r?=?0.318, p?=?.013). There was a significant correlation between rate of fluid loss in sessions 1 (1.74?±?0.32?L?h^?1) and 2 (1.10?±?0.31?L.?h^?1), (r?=?0.470, p?=?.032). This could be useful for nutritionists working with rugby squads to identify players with high sweat losses.  相似文献   

Lower extremity joint loads in habitual rearfoot and mid/forefoot strike runners with normal and shortened stride lengths     

Elizabeth R. Boyer  Timothy R. Derrick 《Journal of sports sciences》2018,36(5):499-505

Our purpose was to compare joint loads between habitual rearfoot (hRF) and habitual mid/forefoot strikers (hFF), rearfoot (RFS) and mid/forefoot strike (FFS) patterns, and shorter stride lengths (SLs). Thirty-eight hRF and hFF ran at their normal SL, 5% and 10% shorter, as well as with the opposite foot strike. Three-dimensional ankle, knee, patellofemoral (PF) and hip contact forces were calculated. Nearly all contact forces decreased with a shorter SL (1.2–14.9% relative to preferred SL). In general, hRF had higher PF (hRF-RFS: 10.8 ± 1.4, hFF-FFS: 9.9 ± 2.0 BWs) and hip loads (axial hRF-RFS: ?9.9 ± 0.9, hFF-FFS: ?9.6 ± 1.0 BWs) than hFF. Many loads were similar between foot strike styles for the two groups, including axial and lateral hip, PF, posterior knee and shear ankle contact forces. Lateral knee and posterior hip contact forces were greater for RFS, and axial ankle and knee contact forces were greater for FFS. The tibia may be under greater loading with a FFS because of these greater axial forces. Summarising, a particular foot strike style does not universally decrease joint contact forces. However, shortening one’s SL 10% decreased nearly all lower extremity contact forces, so it may hold potential to decrease overuse injuries associated with excessive joint loads.  相似文献   

Recovery Responses to Maximal Exercise in Healthy-Weight Children and Children With Obesity     

Elizabeth A. Easley  W. Scott Black  Alison L. Bailey  Terry A. Lennie  Wilma J. Sims  Jody L. Clasey 《Research quarterly for exercise and sport》2018,89(1):38-46

Purpose: The purpose of this study was to examine differences in heart rate recovery (HRRec) and oxygen consumption recovery (VO₂ recovery) between young healthy-weight children and children with obesity following a maximal volitional graded exercise test (GXTmax). Method: Twenty healthy-weight children and 13 children with obesity completed body composition testing and performed a GXTmax. Immediately after the GXTmax, HRRec and VO₂ recovery were measured each minute for 5 consecutive minutes. Results: There were no statistically significant group differences in HRRec for the 5 min following maximal exercise, Wilks’s Lambda = .885, F(4, 28) = 0.911, p = .471, between the healthy-weight children and children with obesity despite statistically significant differences in body fat percentage (BF%; healthy-weight children, 18.5 ± 6.1%; children with obesity, 41.1 ± 6.9%, p < .001) and aerobic capacity relative to body mass (VO₂ peak; healthy-weight children, 46.8 ± 8.2 mL/kg/min; children with obesity, 31.9 ± 4.7 mL/kg/min, p < .001). There were statistically significant differences in VO₂ recovery for the 5 min following exercise, Wilks’s Lambda = .676, F(4, 26) = 3.117, p = .032. There were no statistically significant correlations between HRRec and body mass index (BMI), BF%, VO₂peak, or physical activity. Conclusions: In a healthy pediatric population, obesity alone does not seem to significantly impact HRRec, and because HRRec was not related to obesity status, BMI, or BF%, it should not be used as the sole indicator of aerobic capacity or health status in children. Using more than one recovery variable (i.e., HRRec and VO₂ recovery) may provide greater insight into cardiorespiratory fitness in this population.  相似文献   

Memory, records, history: the Records of the Commission for Reception, Truth, and Reconciliation in Timor-Leste     

Elizabeth Nannelli 《Archival Science》2009,9(1-2):29-41

This paper examines the implications of the context of creation on the current and potential future uses of the records produced by the Comissao de Acolhimento, Verdade e Reconciliacao de Timor-Leste (Commission for Reception, Truth and Reconciliation, or CAVR). Given that the CAVR relied heavily on the testimony of the East Timorese people in its investigations that addressed a 25-year period, this paper considers the nature of memory and the role it played in creating and shaping the CAVR records. It also addresses the potential influences of the CAVR records, particularly the final report, Chega!, in shaping what will be known about this period by the Timorese people. The paper concludes with a discussion of the potential role of the CAVR records in contributing to the history of Timor-Leste. Although truth commissions are a problematic form of truth telling, with significant implications for the writing of history, the records of the CAVR are an invaluable source of information for Timorese history. If future users can recognize the CAVR records as the products of the context of their creation, these records will have a critical role to play in the development of history within Timor-Leste.  相似文献   

Use of astronomical literature—A report on usage patterns     

Edwin A. Henneken  Michael J. Kurtz  Alberto Accomazzi  Carolyn S. Grant  Donna Thompson  Elizabeth Bohlen  Stephen S. Murray 《Journal of Informetrics》2009,3(1):1-8

In this paper we present a number of metrics for usage of the SAO/NASA Astrophysics Data System (ADS). Since the ADS is used by the entire astronomical community, these are indicative of how the astronomical literature is used. We will show how the use of the ADS has changed both quantitatively and qualitatively. We will also show that different types of users access the system in different ways. Finally, we show how use of the ADS has evolved over the years in various regions of the world.  相似文献   

Alignment of the 2003 NSTA Standards for Science Teacher Preparation with the NCATE Assessment System     

Erica M. Brownstein  Elizabeth Allan  Cathy M. Ezrailson  Rita A. Hagevik  Joseph W. Shane  William R. Veal 《Journal of Science Teacher Education》2009,20(5):403-413

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Using Performance-Based Assessments to Prepare Safe Science Teachers     

Elizabeth Allan  Joseph Shane  Erica M. Brownstein  Cathy Ezrailson  Rita Hagevik  William Veal 《Journal of Science Teacher Education》2009,20(6):495-500

Standard 9 of the National Science Teachers Association Standards for Science Teacher Preparation is designed to ensure that science teacher preparation programs provide preservice science teachers with the knowledge and skills to understand and successfully engage students in a safe and ethical manner. This standard contains four components describing science teachers’ legal and ethical responsibilities, appropriate use of instructional materials (chemicals in particular), emergency procedures and safety equipment, and guidelines for proper use of living organisms in the classroom. In this article, we describe the requirements of Standard 9 and provide guidance on assessments that can be used to present evidence for preservice teachers’ competence in each of the four components.  相似文献   

Facilitating adult learning and a researcher identity through a higher education pedagogical process     

Lisa L. Wright Lange Elizabeth Da Costa Jose 《美中教育评论》2009,6(11):1-16

This empirical study uses auto-ethnography to describe a higher education pedagogical process that facilitated largely doctoral students in preparing their candidacy proposals through the use of specific adult learning principles. Students＇ experiences and points of view of such a learning environment were explored, including： （1） how they contributed to their peers＇ learning; （2） how their peers contributed to their own individual learning; and （3） how the learning environment impacted the process. Key factors identified as pivotal to learning to learn, include creating a learning sanctuary and trusting relationships, engaging in mutual inquiry and the co-construction of meaning, and bridging research theory and practice. These factors enabled students to expand their identities to include a researcher identity and to negotiate deep knowledge at the personal level. Throughout this article, the students＇ points of view are used to elucidate shared and diverse experiences, in addition to supporting conclusions and recommendations for practice and further study.  相似文献   

Understanding the Socioemotional Worlds of English Learners: A Retrospective Study     

Elizabeth Vera  Kimberly Hook  Plamena Daskalova  Lincoln Hill  Sarah Galvin  Sarah Fritsche 《Journal of educational and psychological consultation》2018,28(2):137-163

This mixed-methods study examined the socioemotional experiences of 57 alumni of language support programs (i.e., English as a second language, bilingual education) to identify effects of being English learners (ELs). Findings revealed the need for multicultural sensitivity to ELs, bullying episodes, social exclusion, and not disclosing negative experiences. Participants valued opportunities to meet diverse peers, appreciated teacher support, and viewed negative experiences as a source of motivation to achieve. Participants with greater numbers of negative experiences were less connected to ethnic communities, were more marginalized by their ethnic peers, and had lower school belonging. School- based support was correlated with school belonging and overall perceptions of support. Years in ESL classrooms was correlated with negative affect. Support from school and family along with ethnic identity and sense of connection to ethnic community were significant predictors of positive affect. Findings have implications for consultation and professional development of personnel working with ELs.  相似文献