1. Introduction This independent study is about the predictive power of Elo rating systems and other ranking procedures in sports. Rating system has been a topic of interest. One reason is that a reasonable rating system could provide appropriate seeding, grouping players of similar skill levels. Besides, many rating systems also yield prediction on a specific match, which could be used in bett...

Football is one of the most popular and exciting sports fields throughout the world. Today, in addition to the result, the number of goals and points, attraction and quality of the played matches are important for club management staff, coaching staff, the players and especially the fans. Beside number of goals, there are different criteria such as successful passes, attacks, defenses, tackles ...

“Oh, Jackson—great, this reminds me,” Bob replied while muting the volume on the football game. “Carol Wilson called this evening right after you left, and Bryan seems to have acquired another respiratory infection. I called in a refill on his antibiotics for the evening and scheduled him for you as an emergency appointment first thing tomorrow. I know with the avian flu going around the last t...

this study aimed at identifying critical factors affecting the security of iranian football stadiums and prioritizing them using the analytical hierarchy process (ahp) for future decisions. in the qualitative stage of the study, the main factors affecting the security of iranian football stadiums were identified in 12 semi-structured interviews with experts. in the quantitative stage, 17 expert...

the aim of this research was to study those economic barriers influencing foreign investment attraction in iran football industry. the statistical population consisted of all managers and board of directors of the clubs of the premier league, board of directors of football federation and former directors of football (n=240). 148 subjects were selected as the sample by morgan table and completed...

Background Lacrosse and ice hockey are quickly growing in popularity, while football remains the most popular sport among high school student-athletes. Injuries remain a concern, given the physical nature of these contact sports. Purpose To describe the rates and patterns of injuries sustained as a result of intentional player contact in United States high school boys' football, ice hockey, a...

The last decade’s advancements in computer technology have facilitated a growing interest in the development of interactive sports-training equipment. This development has provided athletes and coaches with measurement and training tools, with performance analysis or skill improvement as purpose. However, most of these tools are created with a single goal, either to measure or train, and are of...