American Journal of Sports Science

Archive

Volume 5, Issue 6, November 2017

  • The Development and Challenges of Football Sport in Some Selected Woredas of North Showa Zone

    Tewodros Abir, Alemayehu Ejigu, Arefayne Mesfin

    Issue: Volume 5, Issue 6, November 2017
    Pages: 40-44
    Received: 6 November 2017
    Accepted: 16 November 2017
    Published: 12 December 2017
    DOI: 10.11648/j.ajss.20170506.11
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    Abstract: The purpose of this study was to identify the development and challenges of football in some selected weredas of North Showa Zone. The subject in this study were 282 players 15 coaches’ 6 wereda sport officers and 4 zone sport officers selected from the total population of 940, 48 and 10 respectively. A descriptive survey study is used. As a method... Show More
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  • Adjusting Bookmaker’s Odds to Allow for Overround

    Stephen Clarke, Stephanie Kovalchik, Martin Ingram

    Issue: Volume 5, Issue 6, November 2017
    Pages: 45-49
    Received: 9 September 2017
    Accepted: 12 October 2017
    Published: 25 December 2017
    DOI: 10.11648/j.ajss.20170506.12
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    Abstract: Several methods have been proposed to adjust bookmakers’ implied probabilities, including an additive model, a normalization model, and an iterative method proposed by Shin. These approaches have one or more defects: the additive model can give negative adjusted probabilities, normalization does not account for favorite long-shot bias, and both the... Show More
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