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  1. Feasibility of Rescaling

    Author(s): Powers, Donald E. ; Willingham, Warren W.

    Publication Year: 1988

    Source: Willingham, Warren W.; Ragosta, Marjorie; Bennett, Randy Elliot; Braun, Henry; Rock, Donald A.; Powers, Donald A.(eds.) Testing Handicapped People. Needham Heights, MA: Allyn and Bacon, Inc., 1988, p133-142

  2. Effects of Test Preparation on the Validity of GRE Analytical Scores

    Author(s): Powers, Donald E.

    Publication Year: 1986

    Source: ETS Research Report

  3. The TOEIC Listening, Reading, Speaking and Writing Tests: Evaluating Their Unique Contribution to Assessing English-Language Proficiency

    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

  4. 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

  5. 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

  6. TOEIC Bridge Scores: Validity Evidence From Korea and Japan

    Author(s): Powers, Donald E. ; 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, p5.1-5.10

  7. Examinees who Tool Nonstandard SATs

    Author(s): Willingham, Warren W. (Ed.) ; Bennett, Randy Elliot (Ed.) ; Braun, Henry I. (Ed.) ; Rock, Donald A. (Ed.) ; Powers, Donald E. (ed.)

    Publication Year: 1988

    Source: Willingham, W.W., Bennett, R.E., Braun, H.I., Rock, D.A., Powers, D.A. (eds.) Testing Handicapped People. Needham Heights, MA: Allyn and Bacon, Inc., 1988, p47-58

  8. ETS Research Spotlight

    Author(s): Eignor, Daniel, ed. ; Attali, Yigal ; Powers, Donald E. ; Tannenbaum, Richard J. ; Wylie, E. Caroline ; Kim, Sooyeon ; Walker, Michael E. ; McHale, Frederick J. ; Katz, Irvin R. ; Elliot, Norbert ; Scharf, Davida ; Huey, Heather ; Joshi, Kamal ; Briller, Vladimir

    Publication Year: 2009

    Source: ETS Research Spotlight, n2, Feb 2009

  9. ETS Research Spotlight

    Author(s): Eignor, Daniel, ed. ; Attali, Yigal ; Powers, Donald E. ; Tannenbaum, Richard J. ; Wylie, E. Caroline ; Kim, Sooyeon ; Walker, Michael E. ; McHale, Frederick J. ; Katz, Irvin R. ; Elliot, Norbert ; Scharf, Davida ; Huey, Heather ; Joshi, Kamal ; Briller, Vladimir

    Publication Year: 2009

    Source: ETS Research Spotlight, n2, Feb 2009

  10. The Incremental Contribution of TOEIC Listening, Reading, Speaking, and Writing Tests to Predicting Performance on Real-Life English Language Tasks

    Author(s): Powers, Donald E. ; Powers, Andrew

    Publication Year: 2015

    Source: Language Testing, v32 n2 p151-167, Apr 2015

  11. The Effects of Special Preparation on SAT-Verbal Scores

    Author(s): Alderman, Donald L. ; Powers, Donald E.

    Publication Year: 1979

    Source: ETS Research Report

  12. The Use, Acceptance, and Impact of Taking the SAT--A Test Familiarization Booklet

    Author(s): Powers, Donald E. ; Alderman, Donald L.

    Publication Year: 1979

    Source: ETS Research Report

  13. Feedback as an Incentive for Responding to a Mail Questionnaire

    Author(s): Alderman, Donald L. ; Powers, Donald E.

    Publication Year: 1982

    Source: Research in Higher Education, v17 n3 p207-211, 1982

  14. The Effects of Special Preparation on SAT-Verbal Scores

    Author(s): Alderman, Donald L. ; Powers, Donald E.

    Publication Year: 1980

    Source: American Educational Research Journal, v17 n2 p239-251, Sum 1980

  15. Feedback as an Incentive for Responding to a Mail Questionnaire

    Author(s): Powers, Donald E. ; Alderman, Donald L.

    Publication Year: 1981

    Source: ETS Research Report

  16. Helping Students Prepare for the SAT: Alternative Strategies for Counselors

    Author(s): Noeth, Richard J. ; Powers, Donald E. ; Alderman, Donald L.

    Publication Year: 1983

    Source: The School Counselor, v30 n5 p351-357, May 1983

  17. Practical Techniques for Implementing True Experimental Designs

    Author(s): Powers, Donald E. ; Alderman, Donald L.

    Publication Year: 1979

    Source: Evaluation Quarterly, v3 n1 p89-96, Feb 1979

  18. Effects of Test Familiarization on SAT Performance

    Author(s): Powers, Donald E. ; Alderman, Donald L.

    Publication Year: 1983

    Source: Journal of Educational Measurement, v20 n1 p71-79, Spr 1983

  19. Testing Handicapped People

    Author(s): Willingham, Warren W. (Ed.) ; Ragosta, Marjorie (Ed.) ; Bennett, Randy Elliot (Ed.) ; Braun, Henry I. (Ed.) ; Rock, Donald A. (Ed.) ; Powers, Donald E. (ed.)

    Publication Year: 1988

    Source: Book; Boston: Allyn and Bacon, Inc.

  20. Effects of Coaching on SAT I: Reasoning Test Scores

    Author(s): Powers, Donald E. ; Rock, Donald A.

    Publication Year: 1999

    Source: Journal of Educational Measurement, v36 n2 p93-118, Sum 1999

  21. Incidence, Correlates, and Possible Causes of Test Anxiety in Graduate Admissions Testing

    Author(s): Powers, Donald E.

    Publication Year: 1988

    Source: Spielberger, Charles Donald; Butcher, James Neal (eds.) Advances in Personality Assessment, Vol. 7. Hillsdale, NJ: Lawrence Erlbaum Associates, 1988, p49-75

  22. Effects of Coaching on SAT I : Reasoning Scores

    Author(s): Powers, Donald E. ; Rock, Donald A.

    Publication Year: 1998

    Source: ETS Research Report

  23. ETS Research Spotlight

    Author(s): Powers, Donald E. ; Yu, Feng ; Weng, Vincent Z. ; VanWinkle, Waverely Hester ; Sinharay, Sandip ; Liang, Longjuan ; Dorans, Neil J. ; Graf, Edith Aurora ; Harris, Karen R. ; Marquez, Elizabeth ; Fife, James H. ; Redman, Margaret

    Publication Year: 2010

    Source: ETS Research Spotlight, n3, Mar 2010

  24. ETS Research Spotlight

    Author(s): Powers, Donald E. ; Yu, Feng ; Weng, Vincent Z. ; VanWinkle, Waverely Hester ; Sinharay, Sandip ; Liang, Longjuan ; Dorans, Neil J. ; Graf, Edith Aurora ; Harris, Karen R. ; Marquez, Elizabeth ; Fife, James H. ; Redman, Margaret

    Publication Year: 2010

    Source: ETS Research Spotlight, n3, Mar 2010

  25. Validating the GRE Analytical Ability Measure Against Faculty Ratings of Analytical Reasoning Skills

    Author(s): Enright, Mary K. ; Powers, Donald E.

    Publication Year: 1990

    Source: ETS Research Report

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