This textbook is a practical guide to language test development for classroom use, educational program evaluation, placement at instructional levels, measurement and research. It has served for many years as a classic classroom textbook at both graduate and undergraduate university levels. This new edition makes it available once again at low cost for student use. It provides useful information about reliability and validity estimation and about test and questionnaire development for a variety of educational and evaluation purposes. It includes information useful for the development of both paper-and-pencil and computer-adaptive measurement instruments.

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The author has more than 30 years experience as a university professor, consultant to universities and government agencies, and researcher. He has served as senior research scientist at Educational Testing Service in Princeton, NJ, in conjunction with the development and maintenance of the Test of English As a Foreign Language (TOEFL) and other related projects, and has many professional publications..

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