منابع مشابه
Rugby union injuries in Scottish schools.
BACKGROUND Rugby union is the most popular worldwide collision sport, yet concerns have been raised regarding the safety of the sport due to the physical, high impact nature and an increasing number of injuries. METHODS A prospective, cohort study of the incidence, pattern and severity of injuries in rugby players in six Scottish schools during the second half of the 2008-09 season. Definitio...
متن کاملThe New Zealand Rugby Injury and Performance Project: V. Epidemiology of a season of rugby injury.
OBJECTIVE To describe the incidence, nature, and circumstances of injury experienced by a cohort of rugby union players during a full competitive club season. METHODS A prospective cohort study followed up 356 male and female rugby players throughout the 1993 competitive club season. Players were interviewed by telephone each week to obtain information on the amount of rugby played and the in...
متن کاملUrban Schools’ Teachers Enacting Project-Based Science
What teaching practices foster inquiry and promote students to learn challenging subject matter in urban schools? Inquiry-based instruction and successful inquiry learning and teaching in projectbased science (PBS) were described in previous studies (Brown & Campione, 1990; Crawford, 1999; Krajcik, Blumenfeld, Marx, Bass, & Fredricks, 1998; Krajcik, Blumenfeld, Marx, & Solloway, 1994; Minstrell...
متن کاملComputer Science in Elementary and Secondary Schools
In this paper we examine the current computer science curriculum in elementary schools and identify its shortcomings. We then presents a new approach to teaching computer science at the elementary school level. We identify five main concepts that are at the heart of computer science, and show on examples from our experience how these concepts may be presented in the primary school classroom. Th...
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ژورنال
عنوان ژورنال: Nature
سال: 1870
ISSN: 0028-0836,1476-4687
DOI: 10.1038/001485a0