منابع مشابه
Learning From Successes and Failures
This article aims to contribute to the discussion about how to make development interventions more effective by analyzing the factors contributing to the success or failure of rural development projects. We made an aggregate level analysis of 46 projects in the field of agricultural research (AR), water management (WM), natural resource management (NRM), and integrated rural development (IRD), ...
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Experience shows that larg e scale distance education efforts found many ways to fail. Reasons for failure of these p rograms include lack of student acceptance, which re s u l t s in low enrollment, higher costs, and more faculty time than expected. Many programs have discounted tuition in order to attract students. For students, the lack of enthusiasm could be a result of the missing social s...
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Ever since the seminal first balloon angioplasy in a young patient with angina pectoris on 16 September 1977 by the late Andreas R. Grüntzig at the University Hospital Zurich, interventional cardiology has contributed importantly to the rise of cardiovascular medicine. With the advent of drug-eluting stents, restenosis has become less important, butwhetherornot it affectshardoutcomes including ...
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ژورنال
عنوان ژورنال: Nature
سال: 1970
ISSN: 0028-0836,1476-4687
DOI: 10.1038/227419c0