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Many out-of-school-time (OST) practitioners seek ways to maximize enrollment, enhance frequency of participation, and ensure retention in OST programs, so that the multiple potential benefits of these programs are realized. Three critical areas of program quality are important underpinnings for success in recruitment and retention of youth in OST programs: a sense of safety and community; committed program staff; and challenging, age-appropriate, and fun activities. In addition, a review of over sixty OST evaluations reveals five promising recruitment strategies to boost enrollment: (1) matching the program to participants' needs (offering activities not readily available elsewhere or offering flexible schedules), (2) demonstrating the importance of participation to young people and their families, (3) reaching out directly to youth and their families in their homes and communities, (4) recruiting in peer circles, and (5) making a special effort to recruit at-risk youth. Finally, the evaluation literature points to five promising strategies to enhance regular participation and longterm program retention: (1) sending a clear message that regular attendance is important; (2) setting realistic goals to promote regular attendance, especially as youth grow older; (3) finding a balance among academic and other activities; (4) using incentives; and (5) keeping teens involved with opportunities for leadership, community service, and paid employment.  相似文献   
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Following a decade of rapid expansion of afterschool enrichment programs, leaders in the field are rethinking how those programs can be designed to play a larger role in supporting student achievement and development and in strengthening school reform initiatives.  相似文献   
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SC Bhatnagar 《Omega》1983,11(2):201-205
The paper explores the feasibility of using interactive graphic based solution procedures in location problems with discrete choices. It compares solutions generated through interactive graphics with those generated through optimization for a problem context where service centres had to be located in rural India. The comparison demonstrates the feasibility of generating near optimal solutions for problems with a certain dimensionality. Broad features of the graphic software are described. The paper also highlights other advantages and limitations of the interactive graphic procedure.  相似文献   
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SC Aggarwal  DJ Clark 《Omega》1978,6(2):161-171
This paper attempts to develop a multiobjective model to help policy-makers choose the most appropriate mix of economic policies concurrent with the elimination of serious gaps. Each individual policy attempts to achieve a specific goal or a set of subgoals; but it may hinder the achievement of some other subgoals. To differentiate between the importance of different objectives, the analyst assigns different priorities to each of the given set of subgoals. Three sets of results are provided by three separate computer runs of this model. Each set of results corresponds to one of the three priority structures, and each run indicates quite differing underachievements or over-achievements of individual subgoals. A detailed explanation for each of these deviations (gaps) from the targeted subgoals is attempted in an overall framework and some interactions between various gaps (savings gaps, foreign exchange gap, domestic growth gap, GNP gap, etc.) are also identified.  相似文献   
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VHH Goh  CF Tain  TYY Tong  HPP Mok  SC Ng 《The aging male》2013,16(2):144-154
We have established a comprehensive diagnostic paradigm for the management of aging men which seeks to evaluate the various determinants of the aging process in five major health areas: cardio-health, bone health, sex health, general health and endocrine state. This paradigm appears to be useful for the management of the problem of aging in our local population. It could be used for the management of individuals as well as for population research. When combined with the establishment of evidence-based management modalities, it will provide a useful tool for the holistic management of aging in Asia.  相似文献   
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