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Book
Failing in the Field : What We Can Learn When Field Research Goes Wrong
Authors: ---
ISBN: 140088361X Year: 2016 Publisher: Princeton, NJ : Princeton University Press,

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Abstract

All across the social sciences, from development economics to political science departments, researchers are going into the field to collect data and learn about the world. While much has been gained from the successes of randomized controlled trials, stories of failed projects often do not get told. In Failing in the Field, Dean Karlan and Jacob Appel delve into the common causes of failure in field research, so that researchers might avoid similar pitfalls in future work.Drawing on the experiences of top social scientists working in developing countries, this book delves into failed projects and helps guide practitioners as they embark on their research. From experimental design and implementation to analysis and partnership agreements, Karlan and Appel show that there are important lessons to be learned from failures at every stage. They describe five common categories of failures, review six case studies in detail, and conclude with some reflections on best (and worst) practices for designing and running field projects, with an emphasis on randomized controlled trials. There is much to be gained from investigating what has previously not worked, from misunderstandings by staff to errors in data collection.Cracking open the taboo subject of the stumbles that can take place in the implementation of research studies, Failing in the Field is a valuable "how-not-to" handbook for conducting fieldwork and running randomized controlled trials in development settings.

Keywords

Research --- Research --- Evaluation. --- Methodology. --- Poultry Loan. --- RCT design. --- administrative data. --- application process. --- bad timing. --- bloated surveys. --- business training. --- child health. --- competing priorities. --- credit-to-savings intervention. --- data collection tools. --- data collection. --- development field studies. --- development tool. --- educational supplements. --- electronic data collection. --- evaluations. --- evidence. --- experimental design. --- failed projects. --- failed research. --- failure. --- field projects. --- field research. --- field study. --- financial education program. --- financial literacy. --- group-based savings. --- guarantor requirement. --- health insurance policy. --- immature product. --- insurance. --- intake process. --- interest rate. --- intervention. --- low participation rates. --- low participation. --- measurement tools. --- microfinance institution. --- microloans. --- participation rates. --- partner organization challenges. --- partner organization. --- partner organizations. --- pilot. --- policy. --- poultry farming. --- power. --- randomization. --- randomized controlled trials. --- research setting. --- research studies. --- research. --- researchers. --- sample size calculations. --- savings. --- staff capacity. --- staff flexibility. --- survey design. --- survey questions. --- survey. --- surveying. --- technical design flaw. --- technical design flaws. --- technical design. --- technology. --- theory. --- timing problem. --- treatment. --- youth clubs. --- youth savings.


Book
Radiale Kreiselpumpen : Berechnung und Konstruktion der Hydrodynamischen Komponenten
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ISBN: 9783662489123 3662489120 Year: 2016 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer Vieweg,

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Abstract

Dieses Praxisbuch bietet eine fundierte Hilfe bei der Berechnung und Konstruktion der hydrodynamischen Komponenten von radialen Kreiselpumpen. Für das Grundverständnis der sehr komplexen Zusammenhänge in der Pumpenhydrodynamik werden zunächst die grundlegenden physikalischen Gesetzmäßigkeiten hergeleitet und verständlich erklärt. Im Weiteren werden neue Berechnungsverfahren vermittelt, wie z.B. Methoden zur Berechnung der Minderleistung, der Laufradbeschaufelung und des Laufradeintrittsquerschnitts, der verschiedenen Leitvorrichtungen, der Scheibenreibungsverluste und des Wirkungsgrades. Für die Auslegung der hydrodynamischen Komponenten werden zahlreiche bewährte Parameter und praktische Berechnungsformeln für eine nahezu universelle Anwendung angegeben. Anhand von Beispielen wird der Einstieg in die Entwurfsarbeit erleichtert. Der Inhalt Einführung.- Strömungstechnische Grundlagen.- Grundlagen zur Berechnung und Konstruktion der hydrodynamischen Komponenten.- Berechnungs- und Entwurfsbeispiele.- Betrieb von Kreiselpumpen. Die Zielgruppen Das Buch wendet sich an Ingenieure und Studierende des Maschinenbaus. Der Autor Dr.-Ing. Wolfgang Wesche studierte Maschinenbau, Fachrichtung „Kolben- und Strömungsmaschinen“ an der TU Braunschweig. Anschließend war er als Entwicklungsingenieur für Wasserturbinen bei Maschinenfabrik B. Maier KG und danach als Leiter der hydraulischen Entwicklung und Konstruktion von Kreiselpumpen bei Sulzer Pumpen Deutschland beschäftigt, wo er mit einer Forschungsarbeit über Leiträder promovierte.

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