19,118 research outputs found

    On-ice measures of external load in relation to match outcome in elite female ice hockey

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    The aim of this study is to investigate the differences between select on-ice measures using inertial movement sensors based on match outcome, and to determine changes in player movements across three periods of play. Data were collected during one season of competition in elite female ice hockey players (N = 20). Two-factor mixed effects ANOVAs for each skating position were performed to investigate the differences in match outcome, as well as differences in external load measures during the course of a match. For match outcome, there was a small difference for forwards in explosive ratio (p = 0.02, ES = 0.26) and percentage high force strides (p = 0.04, ES = 0.50). When viewed across three periods of a match, moderate differences were found in skating load (p = 0.01, ES = 0.75), explosive efforts (p = 0.04, ES = 0.63), and explosive ratio (p = 0.002, ES = 0.87) for forwards, and in PlayerLoad (p = 0.01, ES = 0.70), explosive efforts (p = 0.04, ES = 0.63), and explosive ratio (p = 0.01, ES = 0.70) for defense. When examining the relevance to match outcome, external load measures associated with intensity appear to be an important factor among forwards. These results may be helpful for coaches and sport scientists when making decisions pertaining to training and competition strategies.York University Librarie

    The General Motor Ability Hypothesis: An old idea revisited

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    While specific motor abilities have become a popular explanation for motor performance, the older, alternate notion of a general motor ability should be revisited. Current theories lack consensus, and most motor assessment tools continue to derive a single composite score to represent motor capacity. In addition, results from elegant statistical procedures such as higher order factor analyses, cluster analyses, and Item Response Theory support a more global motor ability. We propose a contemporary model of general motor ability as a unidimensional construct that is emergent and fluid over an individual’s lifespan, influenced by both biological and environmental factors. In this article, we address the implications of this model for theory, practice, assessment, and research. Based on our hypothesis and Item Response Theory, our Lifespan Motor Ability Scale can identify motor assessment tasks that are relevant and important across varied phases of lifespan development

    Automatic pure anchor-based taxonomy generation from the world wide web.

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    This thesis proposes a new method of automatic taxonomy generation using the link structure of Webpages. Taxonomy is a hierarchy of concepts where each child concept is said to be encompassed by its parent concept. Techniques have previously been developed to extract taxonomies from a traditional text corpus, but this thesis relies exclusively on the links between documents in the corpus, as opposed to the text of the corpus itself. A series of algorithms were designed and implemented to realize the objectives of this thesis. These programs perform comparably to other techniques using the text in the documents and have shown that there is information available in the link structure of Webpages when creating concept taxonomies

    Subject: Psychology and Sociology

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    Compiled by Susan LaCette.PsychologyandSociology.pdf: 3180 downloads, before Oct. 1, 2020

    Endogenous fantasy and learning in digital games.

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    Many people believe that educational games are effective because they motivate children to actively engage in a learning activity as part of playing the game. However, seminal work by Malone (1981), exploring the motivational aspects of digital games, concluded that the educational effectiveness of a digital game depends on the way in which learning content is integrated into the fantasy context of the game. In particular, he claimed that content which is intrinsically related to the fantasy will produce better learning than that which is merely extrinsically related. However, this distinction between intrinsic and extrinsic (or endogenous and exogenous) fantasy is a concept that has developed a confused standing over the following years. This paper will address this confusion by providing a review and critique of the empirical and theoretical foundations of endogenous fantasy, and its relevance to creating educational digital games. Substantial concerns are raised about the empirical basis of this work and a theoretical critique of endogenous fantasy is offered, concluding that endogenous fantasy is a misnomer, in so far as the "integral and continuing relationship" of fantasy cannot be justified as a critical means of improving the effectiveness of educational digital games. An alternative perspective on the intrinsic integration of learning content is described, incorporating game mechanics, flow and representations

    Study design and protocol for a mixed methods evaluation of an intervention to reduce and break up sitting time in primary school classrooms in the UK: the CLASS PAL (Physically Active Learning) Programme

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    Introduction: Children engage in a high volume of sitting in school, particularly in the classroom. A number of strategies, such as physically active lessons (termed movement integration (MI)), have been developed to integrate physical activity into this learning environment; however, no single approach is likely to meet the needs of all pupils and teachers. This protocol outlines an implementation study of a primary school-based MI intervention: CLASS PAL (Physically Active Learning) programme. This study aims to (A) determine the degree of implementation of CLASS PAL, (B) identify processes by which teachers and schools implement CLASS PAL and (C) investigate individual (pupil and teacher) level and school-level characteristics associated with implementation of CLASS PAL. Methods and analysis: The intervention will provide teachers with a professional development workshop and a bespoke teaching resources website. The study will use a single group before-and-after design, strengthened by multiple interim measurements. Six state-funded primary schools will be recruited within Leicestershire, UK. Evaluation data will be collected prior to implementation and at four discrete time points during implementation: At measurement 0 (October 2016), school, teacher and pupil characteristics will be collected. At measurements 0 and 3 (June-July 2017), accelerometry, cognitive functioning, self-reported sitting and classroom engagement data will be collected. At measurements 1(December 2016-March 2017) and 3, teacher interviews (also at measurement 4; September-October 2017) and pupil focus groups will be conducted, and at measurements 1 and 2 (April-May 2017), classroom observations. Implementation will be captured through website analytics and ongoing teacher completed logs. Ethics and dissemination: Ethical approval was obtained through the Loughborough University Human Participants Ethics Sub-Committee (Reference number: R16-P115). Findings will be disseminated via practitioner and/or research journals and to relevant regional and national stakeholders through print and online media and dissemination event(s)

    Visual Rhetoric in Outdoor Advertising

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    The paper presents a research, the aim of which is to find out how graphic expressions and visual language can be used for persuasion. The research material consists of outdoor advertisements photographed in their actual exhibition places in a city environment. Outdoor advertising media, which are used to communicate visual messages from a sender to several addressees, participate in building the visual city culture and open manifold solutions in design. The visual language used in the research material is analyzed in order to find out how advertising messages, their denotations and connotations, are constructed and how arguments used for persuasion are visualized. The first analysis is based on the knowledge and methods used in graphic design practice, which has been defined to be the process of making, choosing and arranging marks in order to convey a message. The analysis shows that different modes, techniques and visual elements are applied to attract the attention of spectators and arouse interest towards the message of an artefact. The second analysis is based on communication studies and semiotics, especially on Roman Jakobson’s theory about the functions of communication. The method of combining two analyses reveals different ways of using visual language and syntaxes to announce the excellence of an advertised product, service or subject. It also shows various types of visual arguments used in advertisements. Three types of visual rhetoric emerge from the research material. They are called brand rhetoric, personalized rhetoric and poetic rhetoric. The taxonomy of visual rhetoric exemplifies how visual language can be constructed and used for persuasion. It shows that the decisions in design influence the messages and meanings created. The research calls for further studies as regards the reception of visual rhetoric and suggests that the taxonomy of visual rhetoric could be applied in visual communication design and in the analysis of advertising messages. Keywords: Outdoor Advertisement/Advertising; Visual Rhetoric; Visual Language; Graphic Design; Visual Communication Design; Advertising Message</p
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