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Donald E. Powers · Study
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Author
Donald E. Powers
14 works
· latest 2014
· 2 institutions
cluster: provisional
Works
14 shown
The incremental contribution of TOEIC® Listening, Reading, Speaking, and Writing tests to predicting performance on real-life English language tasks
Language Testing
·
2014
·
1 author
41
citations
TOEFL iBT speaking test scores as indicators of oral communicative language proficiency
Language Testing
·
2011
·
3 authors
49
citations
The Case for a Comprehensive, Four-Skills Assessment of English Language Proficiency
·
2010
·
1 author
57
citations
THE ASSESSMENT OF INFORMATION LITERACY: A CASE STUDY
ETS Research Report Series
·
2008
·
8 authors
18
citations
The Assessment of Information Literacy: A Case Study. Research Report. ETS RR-08-33.
ETS Research Report Series
·
2008
·
8 authors
1
citations
A teacher-verification study of speaking and writing prototype tasks for a new TOEFL
Language Testing
·
2004
·
4 authors
93
citations
Decision Making while Rating ESL/EFL Writing Tasks: A Descriptive Framework
Modern Language Journal
·
2002
·
3 authors
243
citations
Effects of Coaching on SAT I: Reasoning Test Scores
Journal of Educational Measurement
·
1999
·
2 authors
136
citations
They Think Less of My Handwritten Essay If Others Word Process Theirs?
Journal of Educational Measurement
·
1994
·
3 authors
88
citations
Coaching for the SAT: A Summary of the Summaries and an Update
Educational Measurement Issues and Practice
·
1993
·
1 author
77
citations
Academic demands related to listening skills
Language Testing
·
1986
·
1 author
50
citations
Effects of self-study for coachable test item types.
Journal of Educational Psychology
·
1984
·
2 authors
72
citations
FACTOR ANALYSIS OF THE TEST OF ENGLISH AS A FOREIGN LANGUAGE FOR SEVERAL LANGUAGE GROUPS
ETS Research Report Series
·
1980
·
2 authors
·
Open access
51
citations
THE EFFECTIVENESS OF COACHING FOR THE SAT: REVIEW AND REANALYSIS OF RESEARCH FROM THE FIFTIES TO THE FTC
ETS Research Report Series
·
1980
·
8 authors
58
citations