Diagnostic Writing Assessment: The Development and Validation of a Rating Scale

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Peter Lang, 2009 - Language Arts & Disciplines - 319 pages
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The diagnostic assessment of writing is an important aspect of language testing which has often been neclected in the literature. However, it is an area which poses special challenges to practioners both in the classroom and in large-scale testing situations. This book presents a study which set out to develop and validate a rating scale specifically designed for the diagnostic assessment of writing in an academic English setting. The scale was developed by analysing a large number of writing performances produced by both native speakers of English and learners of English as an additional language. The rating scale was then validated using both quantitative and qualitative methods. The study showed that a detailed data-based rating scale is more valid and more useful for diagnostic purposes than the more commonly used impressionistic rating scale.
 

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Contents

Introduction
11
Performance Assessment of Writing
17
Rating scales
37
Measuring Constructs and Constructing
71
Methodology Analysis of writing scripts
107
Results Analysis of writing scripts
137
Discussion Analysis of writing scripts
169
Methodology Validation of rating scale
185
Results Validation of rating scale
209
Discussion Validation of rating scale
249
Conclusion
288
APPENDICES
311
REFERENCES
313
Copyright

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About the author (2009)

The Author: Ute Knoch is a research fellow at the Language Testing Research Centre at the University of Melbourne. Her research interests are in the area of language assessment, second language acquisition, and language pedagogy.

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