Movement pattern and parameter learning in children: effects of feedback frequency     

Goh HT  Kantak SS  Sullivan KJ 《Research quarterly for exercise and sport》2012,83(2):346-352

Reduced feedback during practice has been shown to be detrimental to movement accuracy in children but not in young adults. We hypothesized that the reduced accuracy is attributable to reduced movement parameter learning but not pattern learning in children. A rapid arm movement task that required the acquisition of a motorpattern scaled to specific spatial and temporal parameters was used to investigate the effects of feedback (FB) frequency (100% vs. 62% faded) on motor learning differences between 19 school-age children and 19 young adults. Adults and children practiced the task for 200 trials under the 100% or faded FB condition on day 1 and returned on day 2 for a no-FB retention test. On the retention test, children who practiced with reduced feedback performed with greater temporal parameter errors, but not pattern error than children who received frequent feedback. Motor skill learning in children is influenced byfeedback frequency during practice that affects parameter learning but not pattern learning.  相似文献   

Robotics and science literacy: Thinking skills,science process skills and systems understanding     

Florence R. Sullivan 《科学教学研究杂志》2008,45(3):373-394

This paper reports the results of a study of the relationship of robotics activity to the use of science literacy skills and the development of systems understanding in middle school students. Twenty‐six 11–12‐year‐olds (22 males and 4 females) attending an intensive robotics course offered at a summer camp for academically advanced students participated in the research. This study analyzes how students utilized thinking skills and science process skills characteristic of scientifically literate individuals to solve a robotics challenge. In addition, a pre/post test revealed that course participants increased their systems understanding, t (21) = 22.47, p < .05. It is argued that the affordances of the robotics environment coupled with a pedagogical approach emphasizing open‐ended, extended inquiry prompts the utilization of science literacy‐based thinking and science process skills and leads to increased systems understanding. © 2008 Wiley Periodicals, Inc. J Res Sci Teach 45: 373–394, 2008  相似文献   

NAGPRA: Effective Repatriation Programs and Cultural Change in Museums     

T. J. Sullivan  M. Abraham  D. J. G. Griffin 《Curator: The Museum Journal》2000,43(3):231-260

A survey of museums in the United States sought to identify evidence of broad impact on the organisational culture and practices of museums in their relatioships with indiginous peoples as a result of the passage of the Native American Graves Protection and Repatriation Act 1990 (NAGPRA). NAGPRA establishes a process for the repatriation of human remains and other specified items held in museum collections to Native Americans who can prove they are lineal descendants or members of tribes which are culturally affiliated with identified items covered by the legislation. Effective repatriation programs are characterised by: * a genuine belief in the primary rights of indigenous people in the management of their cultural material presently held in museum collections; * a commitment to greater collaboration between the museum and indigenous people in the management of scientific research and public programs pertaining to items of indigenous cultural heritage; * practices which are indicative of an organisational culture which acts in ways which go beyond the minimum requirements of the legislation. Our research shows that museums are engaging in consultation with indigenous people in the management of collections of indigenous cultural heritage, and that this engagement is influencing conservation strategies. Museums espouse goals which promote external consultation, the involvement of indigenous people in their activities, respect for the cultural goals of indigenous people and a commitment to increasing public awareness of indigenous cultural heritage and social issues. However, only in the areas where NAGPRA has mandated it should happen—collections of human remains and secret/sacred material—is there evidence of communication and consultation, commitment of resources and sharing of authority with indigenous people consistent with the outcomes intended under NAGPRA.  相似文献   

Are changes in running economy associated with changes in performance in runners? A systematic review and meta-analysis     

Ian J. O Sullivan  Mark I. Johnson  Karen Hind  Sarah Breen  Peter Francis 《Journal of sports sciences》2019,37(13):1521-1533

Improvements in running economy (RE) are thought to lead to improvements in running performance (P). Multiple interventions have been designed with the aim of improving RE in middle and long-distance runners. The aim of this study was to assess the effect of interventions of at least 2-weeks’ duration on RE and P and to determine whether there is a relationship between changes in RE (ΔRE) and changes in running performance (ΔP). A database search was carried out in Web of Science, Scopus and SPORTDiscus. In accordance with a PRISMA checklist 10 studies reporting 12 comparisons between interventions and controls were included in the review. There was no correlation between percentage ΔRE and percentage ΔP (r = 0.46, P = 0.936, 12 comparisons). There was a low risk of reporting bias but an unclear risk of bias for other items. Meta-analyses found no statistically significant differences between interventions and controls for RE (SMD (95% CI) = ?0.37 (?1.43, 0.69), 204 participants, p = 0.49) or for P (SMD (95% CI) = ?0.65 (?26.02, 24.72, 204 participants, p = 0.99). There is a need for studies of greater statistical power, methodological quality, duration and homogeneity of intervention and population. Standardised measures of performance and greater control over non-intervention training are also required.  相似文献   

Effects of Japanese national identification on attitudes toward learning English and self-assessed English proficiency     

Nancy Sullivan  Robert T. Schatz   《Int J Intercult Relat》2009,33(6):486-497

This research examined effects of Japanese national identification and attitude toward the United States on attitude toward learning English and self-assessed English proficiency among a sample of Japanese university students (N = 377). We assessed various components of Japanese national identification drawn from previous work by Kosterman and Feshbach [Kosterman, R., & Feshbach, S. (1989). Towards a measure of patriotic and nationalistic attitudes. Political Psychology, 10, 257–274] and Karasawa [Karasawa, M. (2002). Patriotism, nationalism, and internationalism among Japanese citizens: An etic-emic approach. Political Psychology, 23(4), 645–666], specifically: patriotism (positive identification with and affective attachment to country), nationalism (perceptions of national superiority and support for national dominance), internationalism (support for international goodwill and cooperation), and commitment to national heritage (devotion to national symbols and cultural heritage). Patriotism predicted less positive attitudes toward learning English, whereas nationalism, internationalism, and pro-U.S. attitudes predicted more positive attitudes toward learning English. Nationalism also predicted higher self-assessed English proficiency. These relationships remained after controlling for the instrumental value of English and demographic factors in multiple regression equations. Our findings highlight the need for closer examination of specific aspects of Japanese national identification, and their relationships with Japanese attitudes toward the English language.  相似文献   

Observations on the art of obtaining water by boring the earth; with some animadversions on the editor's notice of a patent for certain improvements therein obtained,by Levi Disbrow and John L. Sullivan,in August last     

John L. Sullivan 《Journal of The Franklin Institute》1833,16(1):12-15

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Playful Talk: Negotiating Opportunities to Learn in Collaborative Groups     

Florence R. Sullivan  Nicholas C. Wilson 《学习科学杂志》2015,24(1):5-52

This case study examines the role of playful talk in negotiating the “how” of collaborative group work in a 6th-grade science classroom. Here we develop and test a Vygotsky-derived hypothesis that postulates playful talk as a mechanism for identity exploration and group status negotiation. Our findings indicate that students utilized the playful talk genre as a means to (a) position themselves and others as more or less competent within the group in order to create or foreclose opportunities to learn, (b) maintain and strengthen bonds that were developing within the group toward the goal of achieving higher levels of coordination and opportunities to learn, and (c) pivot toward a self-selected identity aimed sometimes at affecting one’s status within the group. Taken together, these 3 playful talk functions allowed the group to manage tensions that arose as a result of periods of low coordination and to open opportunities to learn for lower status group members. This study contributes to researchers’ understanding of affective aspects of collaborative learning, which are theorized as foundational to success in such endeavors.  相似文献   

A Descriptive Survey of the Educational Preparation and Practices of Antenatal Educators in Ireland     

Cathy O’Sullivan  Rhona O’Connell  Declan Devane 《The Journal of perinatal education》2014,23(1):33-40

Antenatal education is recommended to prospective parents, yet little is known about the educational preparation of the facilitators of this education, or of the educational practices they use. The aim of this study was to investigate the educational preparation and practices of antenatal educators in Ireland. Data were collected using a questionnaire structured on the three components (abilities, opportunities, and means) of Stamler’s theoretical framework of enablement. Eighty-four of the 120 antenatal educators responded (70%), and this included midwives, public health nurses, physiotherapists, and private antenatal educators. Findings describe a picture of varied educational preparation for the antenatal educator with a range of educational practices being used. Within public antenatal classes, large class size was a barrier to providing a participatory educational approach.  相似文献   

Toward a justice-centered ambitious teaching framework: Shaping ambitious science teaching to be culturally sustaining and productive in a rural context     

April Luehmann  Yang Zhang  Heather Boyle  Eve Tulbert  Gena Merliss  Kyle Sullivan 《科学教学研究杂志》2024,61(2):319-357

We find ourselves at a time when the need for transformation in science education is aligning with opportunity. Significant science education resources, namely the Next Generation Science Standards (NGSS) and the Ambitious Science Teaching (AST) framework, need an intentional aim of centering social justice for minoritized communities and youth as well as practices to enact it. While NGSS and AST provide concrete guidelines to support deep learning, revisions are needed to explicitly promote social justice. In this study, we sought to understand how a commitment to social justice, operationalized through culturally sustaining pedagogy (Paris, Culturally sustaining pedagogies and our futures. The Educational Forum, 2021; 85, pp. 364–376), might shape the AST framework to promote more critical versions of teaching science for equity. Through a qualitative multi-case study, we observed three preservice teacher teams engaged in planning, teaching, and debriefing a 6-day summer camp in a rural community. Findings showed that teachers shaped the AST sets of practices in ways that sustained local culture and addressed equity aims: anchoring scientific study in phenomena important to community stakeholders; using legitimizing students' stories by both using them to plan the following lessons and as data for scientific argumentation; introducing local community members as scientific experts, ultimately supporting a new sense of pride and advocacy for their community; and supporting students in publicly communicating their developing scientific expertise to community stakeholders. In shaping the AST framework through culturally sustaining pedagogy, teachers made notable investments: developing local networks; learning about local geography, history, and culture; building relationships with students; adapting lessons to incorporate students' ideas; connecting with community stakeholders to build scientific collaborations; and preparing to share their work publicly with the community. Using these findings, we offer a justice-centered ambitious science teaching (JuST) framework that can deliver the benefits of a framework of practices while also engaging in the necessarily more critical elements of equity work.  相似文献   

"It's cheesy when they smile:" what girl athletes prefer in images of female college athletes     

Krane V  Ross SR  Miller M  Ganoe K  Lucas-Carr C  Barak KS 《Research quarterly for exercise and sport》2011,82(4):755-768

Building on previous research in which we provided an opportunity for female college athletes to construct their own photographic portrayals, this study explored young female athletes' perceptions of the college athlete photographs. Fifty-two girls participated in focus group interviews where they viewed and discussed the images. The young athletes particularly liked images they perceived to show authentic athletes (e.g, in athletic settings, with appropriate sport attire), images they could relate to due to personal experiences, and images that reflected competent and passionate sportswomen. Images perceived as revealing a lack of motivation, poor sporting attitudes, and nonathletic poses generally were disliked. Images depicting multiple social identities (e.g., an athlete in a dress) were controversial and generated much discussion.  相似文献