1,611 research outputs found

    The Cost of Quality Out-of-School-Time Programs, Executive Summary

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    Funders and program planners need a clear understanding of the costs of quality afterschool or summer programs to make sound investments. With support from The Wallace Foundation, P/PV partnered with The Finance Project to embark on one of the largest and most rigorous out-of-school-time (OST) cost studies to date, collecting detailed data from 111 programs that varied dramatically in their focus, content, location, staffing, management and hours of operation.This executive summary highlights the full report's key findings, summarizes variations in program costs and provides recommendations for policymakers and funders who seek to build and sustain quality OST programs for children and youth in their communities.In addition, a companion online cost calculator that provides stakeholders with estimates for various program options is available atwww.wallacefoundation.org/cost-of-quality

    The Cost of Quality Out-of-School-Time Programs

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    Funders and program planners want to know: What does it cost to operate a high-quality after-school or summer program? This study answers that question, discovering that there is no "right" number. Cost varies substantially, depending on the characteristics of the participants, the goals of the program, who operates it and where it is located. Based on detailed cost data collected from 111 out-of-school-time programs in six cities, this report, along with an online calculator (www.wallacefoundation.org/cost-of-quality), provides cost averages and ranges for many common types of programs

    Computer aided estimating for civil engineering contractors

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    At the start of the research the impact of computers upon the world of estimating for civil engineering works had been minimal and barely touched the six thousand middle sized companies within the construction industry, The challenge of the research was to: -determine the requirements of a computer aided estimating system for civil engineering estimators: -to design a system to meet those requirements; -to produce and field test the system: -to explore the use of estimator's data within other functions within the contractor's organization, A study and critical appraisal of previous research and the six types of existing estimating systems was made to determine why computers have failed to make an impact upon this area of the construction industry, The estimating and tendering process was examined by interviewing eight estimators from three different civil engineering companies a minimum of four times over a period of one year. Eleven existing methods of task analysis were examined, were found satisfactory for the analysis of the estimator's tasks for the purpose of the research, A hybrid method of analysis was developed which was used to analyse the estimator's tasks for the purpose of producing a Specification for a computer aided estimating system, The system was produced by an iterative method of design, development, testing and re-design until an acceptable solution was reached, The system was tested by: -installing a minicomputer within the estimating department of a civil engineering contractor's organization and inviting six estimators to test and comment on the system; -demonstrating the system to individuals and groups of practising estimators from forty construction companies where comments on all aspects were noted, As a result of the research a computer aided estimating system that was acceptable to civil engineering estimators was produced, To date eight such systems have been installed within contractor's offices and this fact gives some indication of the success in meeting this main objective. The other outcome of this work is: the determination of the implementation and user support requirements for the introduction of computer aided estimating systems into contractor's organizations; the production of user support facilities for the system including a comprehensive user manual and training programmes for the system, In addition the work has created a platform for the construction of a completed linked suite of construction management programmes unavailable before because of the paucity of existing computer aided estimating systems

    Who is the climate-induced trapped figure?

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    Many will remember the 1990s alarmist narratives of how a human tide of up to a billion climate refugees would flood “our” borders by 2050. By 2011, a new character joined the discourse: the trapped figure. No longer would climatically vulnerable people be forced to move, they could also end up immobile. This review examines the narratives that surround the trapped figure. The article highlights the trapped figure's (i) characterisation, (ii) geography, and (iii) storytellers. The material includes the 2011 Foresight Report, 64 English peer-reviewed journal articles, and seven UNFCCC policy reports. The textual analysis furthers our understanding of the values that shape the meaning of the trapped figure within the wider discursive economy. Out of the 64 articles, 48 located the trapped figure in Asia, while 34 placed the figure in Africa. Meanwhile, the majority of articles—62 in total—were written by scholars based at European research institutes. The study shows that the trapped figure, much as the mythical climate refugee and migrant, is constructed as both a victim in need of rescuing and as an ambiguous security threat. It is ethically problematic that planned relocation was often put forward as an effective tool to “move” the figure out of harm's way. The review also found a range of binary opposites in the discourse on trapped populations, including those of order–disorder, freedom–unfreedom, and victim–savior. This suggests that however well-intentioned the liberal discourse on trapped populations appear, it remains embedded in power relations which demands for critical scrutiny

    Designing to encourage waste minimisation in the construction industry

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    The process of waste minimisation through ‘designing out waste’ is in its infancy. Many barriers and opportunities exist in developing waste minimisation strategies in design. The paper will summarise the initial findings of the authors’ recent research. It is intended to stimulate thought into the concept of designing out waste. By outlining the causative factors of waste through design and the principle strategies for waste reduction, the paper highlights the present status of this important subject and question whether adequate emphasis is being put on the initial stages of the waste hierarchy – reduce, reuse, recycle. The paper introduces the various options for waste minimisation in design, including designing for recycling, extended life, disassembly and designing out waste. It concludes by highlighting the links between ‘designing out waste’ and the future waste management and recycling industries, indicating where opportunities may exist

    Coulomb and Higgs Phases of G2G_2-manifolds

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    Ricci flat manifolds of special holonomy are a rich framework as models of the extra dimensions in string/MM-theory. At special points in vacuum moduli space, special kinds of singularities occur and demand a physical interpretation. In this paper we show that the topologically distinct G2G_2-holonomy manifolds arising from desingularisations of codimension four orbifold singularities due to Joyce and Karigiannis correspond physically to Coulomb and Higgs phases of four dimensional gauge theories. The results suggest generalisations of the Joyce-Karigiannis construction to arbitrary ADE-singularities and higher order twists which we explore in detail in explicitly solvable local models. These models allow us to derive an isomorphism between moduli spaces of Ricci flat metrics on these non-compact G2G_2-manifolds and flat ADE-connections on compact flat 3-manifolds which we establish explicitly for SU⁥(n)\operatorname{SU}(n).Comment: 22 page

    Agricultural Practices for Growing Kenaf (Hibiscus cannabinus L.) in Iowa: I. Morphology, Stem, and Fiber Yield

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    Kenaf (Hibiscus cannabinus L.) is a promising biorenewable resource for producing natural fibers but few studies have investigated the crop when grown in cooler climates, such as the American Midwest. The objectives of this study were to: 1) determine the agricultural practices (row spacing, seed, and N rates) leading to optimal kenaf dry matter (DM) stem and fiber yield in ‘Tainung 2’ and ‘Whitten’; 2) evaluate stem height, basal diameter, and leaf area index (LAI) over the growing season; and 3) assess the influence of management practices on fiber (bast and core lignocellulose) composition, and carbon (C), N, and total ash concentration. Kenaf cultivars Tainung 2 and Whitten were planted in Boone County, IA in 2014 and 2015 at 247,000 or 371,000 seed ha‐1, in 38‐cm or 76‐cm rows that received 0, 56, 112, 168, or 224 kg N ha‐1. Stand density, core:bast fiber ratio, and basal stem diameter were influenced by three‐way interactions. Stem height at harvest was influenced by the main effects of row spacing, seeding rate, and N fertilization rate. Nitrogen fertilization did not influence stem DM yield, regardless of application rate. Kenaf is a promising multi‐purpose crop that could contribute to the natural fiber marker, as well as diversifying the landscape. Kenaf is well adapted to Iowa and can be produced with a range of management practices

    Performance indicators for 'micro-projects' in developing countries

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    The majority of public works contracts undertaken in developing countries have a total cost of less than US$15,000. They include the provision of enhanced water and sanitation, access ways and pavements, small community buildings and solid waste related construction. We term these projects, ‘micro-projects’. There is a general lack of information for such projects. This paper describes the development and testing of sixty seven performance indicators for use on ‘micro-projects’. They include not only general performance indicators but also indicators for inter-organisational and socio-economic issues. These indicators are based on data from a total of over 800 micro-projects undertaken in developing countries. For each indicator we provide a statement of why the indicator was selected, the key sources of information, and how to determine the indicator. Examples of the use of the indicators are also presented
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