Constructing and Validating Parallel Forms of Performance-Based Writing Prompts in an Academic Setting
Liu, Hui-Chun
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https://hdl.handle.net/2142/80178
Description
Title
Constructing and Validating Parallel Forms of Performance-Based Writing Prompts in an Academic Setting
Author(s)
Liu, Hui-Chun
Issue Date
1997
Doctoral Committee Chair(s)
Davidson, Fred
Department of Study
Education
Discipline
Education
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Education, Reading
Language
eng
Abstract
"Based on the findings of the investigation on prompt comparability, it was concluded that the degree of comparability among the three new EPT writing prompts was generally quite high in terms of both the placement reproducibility and the skill profile consistency, despite their slight differences in terms of the ""fit-to-specification"". In addition, it was found that the three new writing prompts functioned similarly when responded to by ESL examinees from different subgroups. Furthermore, the results of the outlier analysis on both examinees and raters revealed that the three new writing prompts are indeed valid test instruments for the EPT test-takers and, in general, the EPT raters do interpret the rating rubrics consistently. The findings on prompt comparability and differential prompt rubrics consistently. The findings on prompt comparability and differential prompt functioning imply that the multi-faceted measurement model provides valuable diagnostic information concerning how the various individual aspects of a writing assessment program are functioning. Furthermore, criterion-referenced-based test specifications provide an important basis for developing and validating parallel forms of performance-based items in the sense that test specifications include not only the specification of the construct(s) to be measured but also the specification of the attributes of the test instruments that are to measure the construct(s)."
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