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Results for: AU:"Powers, Donald"

213 results found, sorted by relevance

  1. Do TOEFL iBT Scores Reflect Improvement in English-Language Proficiency? Extending the ...

    Author(s): Ling, Guangming ; Powers, Donald E. ; Adler, Rachel

    Publication Year: 2014

    Source: ETS Research Report

  1. The Research Foundation for the TOEIC Tests: A Compendium of Studies: Volume II

    Author(s): Powers, Donald E. (ed.)

    Publication Year: 2013

    Source: Princeton, NJ: Educational Testing Service

  1. Supporting an Expiration Policy for English Language Proficiency Test Scores

    Author(s): Powers, Donald E. ; Lall, Vanessa F.

    Publication Year: 2013

    Source: ETS Research Memorandum

  1. Validating TOEIC Bridge Scores Against Teacher Ratings for Vocational Students in China

    Author(s): Powers, Donald E. ; Mercadante, Regina ; Yan, Fred

    Publication Year: 2013

    Source: Powers, Donald E. (ed.) The Research Foundation for the TOEIC Tests: A Compendium of Studies: Volume II. Princeton, NJ: Educational Testing Service, Sep 2013, p4.1-4.11

  1. Assessing English-Language Proficiency in All Four Language Domains: Is It Really Necessary?

    Author(s): Powers, Donald E.

    Publication Year: 2013

    Source: Powers, Donald E. (ed.) The Research Foundation for the TOEIC Tests: A Compendium of Studies: Volume II. Princeton, NJ: Educational Testing Service, Sep 2013, p1.1-1.7

  1. The TOEIC Listening, Reading, Speaking and Writing Tests: Evaluating Their Unique ...

    Author(s): Powers, Donald E. ; Yu, Feng ; Yan, Fred

    Publication Year: 2013

    Source: Powers, Donald E. (ed.) The Research Foundation for the TOEIC Tests: A Compendium of Studies: Volume II. Princeton, NJ: Educational Testing Service, Sep 2013, p3.1-3.13

  1. Validating TOEIC BridgeTM Scores Against Teacher Ratings for Vocational Students in China

    Author(s): Powers, Donald E. ; Mercadante, Regina ; Yan, Fred

    Publication Year: 2012

    Source: ETS Research Memorandum

  1. Supporting an Expiration Policy for TOEFL Scores

    Author(s): Powers, Donald E. ; Lall, Vanessa F.

    Publication Year: 2012

    Source: ETS Research Memorandum

  1. Understanding the Impact of Special Preparation for Admissions Tests

    Author(s): Powers, Donald E.

    Publication Year: 2012

    Source: ETS Research Report

  1. TOEFL iBT Speaking Test Scores as Indicators of Oral Communicative Language Proficiency

    Author(s): Bridgeman, Brent ; Powers, Donald ; Stone, Elizabeth ; ...

    Publication Year: 2012

    Source: Language Testing, v29 n1 p91-108, Jan 2012

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