Statistical Methods for the Evaluation of Educational Services and Quality of Products
The book presents statistical methods and models that can usefully support the evaluation of educational services and quality of products. The evaluation of educational services, as well as the analysis of judgments and preferences, poses severe methodolo
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Matilde Bini · Paola Monari · Domenico Piccolo · Luigi Salmaso Editors
Statistical Methods for the Evaluation of Educational Services and Quality of Products
Editors Prof. Matilde Bini University of Florence Dept. of Statistics “G. Parenti” Viale Morgagni, 59 50134 Firenze Italy [email protected]
Prof. Paola Monari University of Bologna Dept. Statistical Science Via Belle Arti, 41 40126 Bologna Italy [email protected]
Prof. Domenico Piccolo University of Naples Federico II Dept. of Statistical Science Via Leopoldo Rodin`o, 22 80138 Napoli Italy [email protected]
Prof. Luigi Salmaso University of Padua Department of Management and Engineering Stradella San Nicola, 3 36100 Vicenza Italy [email protected]
ISBN 978-3-7908-2384-4 e-ISBN 978-3-7908-2385-1 DOI 10.1007/978-3-7908-2385-1 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2009939931 c Springer-Verlag Berlin Heidelberg 2009 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: Integra Software Services Pvt. Ltd., Pondicherry Printed on acid-free paper Physica-Verlag is a brand of Springer-Verlag Berlin Heidelberg Springer is part of Springer Science+Business Media (www.springer.com)
Preface
The book presents statistical methods and models that can usefully support the evaluation of educational services and quality of products. The contributions collected in this book summarize the work of several researchers from the universities of Bologna, Firenze, Napoli and Padova. The contributions are written with a consistent notation and a unified view, and concern methodological advances developed mostly with reference to specific problems of evaluation using real data sets. The evaluation of educational services, as well as the analysis of judgements and preferences, poses severe methodological challenges because of the presence of one or more of the following aspects: the observational (non experimental) nature of the context, which is associated with the well-known problems of selection bias and presence of nuisance factors; the hierarchical structure of the data, that entails correlated observations and consideration of effects at different levels of
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