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Author: Fred Davidson Publisher: Yale University Press ISBN: 0300133812 Category : Language Arts & Disciplines Languages : en Pages : 159
Book Description
DIVThe creation of language tests is—and should be—a craft that is accessible and doable not only by a few language test experts, but also by many others who are involved in second/foreign language education, say the authors of this clear and timely book. Fred Davidson and Brian Lynch offer language educators a how-to guide for creating tests that reliably measure exactly what they are intended to measure. Classroom teachers, language administrators, and professors of language testing courses will find in this book an easy and flexible approach to language testing as well as the tools they need to develop tests appropriate to their individual needs. Davidson and Lynch explain criterion-related language test development, a process that focuses on the early stages of test development when the criterion to be tested is defined, specifications are established, and items and tasks are written. This process helps clarify the description of what is being measured by a test and enables teachers to give input on test design in any instructional setting. Informed by extensive research in criterion-referenced measurement, this book invites all language educators to participate in the craft of test development and shows them how to go about it./div
Author: Fred Davidson Publisher: Yale University Press ISBN: 0300133812 Category : Language Arts & Disciplines Languages : en Pages : 159
Book Description
DIVThe creation of language tests is—and should be—a craft that is accessible and doable not only by a few language test experts, but also by many others who are involved in second/foreign language education, say the authors of this clear and timely book. Fred Davidson and Brian Lynch offer language educators a how-to guide for creating tests that reliably measure exactly what they are intended to measure. Classroom teachers, language administrators, and professors of language testing courses will find in this book an easy and flexible approach to language testing as well as the tools they need to develop tests appropriate to their individual needs. Davidson and Lynch explain criterion-related language test development, a process that focuses on the early stages of test development when the criterion to be tested is defined, specifications are established, and items and tasks are written. This process helps clarify the description of what is being measured by a test and enables teachers to give input on test design in any instructional setting. Informed by extensive research in criterion-referenced measurement, this book invites all language educators to participate in the craft of test development and shows them how to go about it./div
Author: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Department of Defense Publisher: ISBN: Category : United States Languages : en Pages : 1488
Author: Koji Kajimura Publisher: Springer Science & Business Media ISBN: 4431681418 Category : Technology & Engineering Languages : en Pages : 1312
Book Description
Since the discovery of high temperature superconductors, many new materials have been invented. In the last year, several new materials were also discovered, but their critical temperatures are still below lOOK. Precise physical and chemical work has made tremendous progress in the theoretical and experimental study of physical properties and carrier state characterizations. The de Haas van Alphen effect measurement showed the existence of a Fermi surface in YBCO. Flux dynamics is a well-known new problem in which flux creep and irreversibility line features are especially important for a fundamental understanding of the critical current and flux pinning. Flux pinning centers which are intentionally added using non-superconducting precipitates, neutrons, and protons, etc. increase critical currents to practical levels. The analysis of electric and magnetic properties are expected to reveal the pinning mechanism and also to further application development. As for wires and bulks, many melt-like sintering techniques have improved the material performance of critical current densities. A new seeding Quench-Melt Growth technique enlarged crystal size and increased the repulsion force. These melting processes, in conjunction with a mechanical strength improvement have been effectively introduced into wire fabrication in order to realize kilometer range wires and will put the oxide wires to practical use. Where thin film is con cerned, when many fabrication methods had been developed using the assistance effect of activated oxygen such as ozone and oxygen radicals, a high current 2 density of 106A/cm at 77K was reported.
Author: Fred Davidson
Author: Fred Davidson
Author: United States. Department of the Army
Author: 
Author: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Department of Defense
Author: United States. Congress. Senate. Committee on Appropriations
Author: United States. Congress. Senate. Committee on Appropriations
Author: United States. Congress. House. Committee on Appropriations
Author: United States. Congress. House
Author: Koji Kajimura
Author: United States. Congress. Senate. Appropriations Committee