Construct Validation of an Integrated, Process-Oriented, and Computerized English for Academic Purposes (Eap) Placement Test: A Mixed Method Approach
Lee, Young-Ju
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https://hdl.handle.net/2142/79840
Description
Title
Construct Validation of an Integrated, Process-Oriented, and Computerized English for Academic Purposes (Eap) Placement Test: A Mixed Method Approach
Author(s)
Lee, Young-Ju
Issue Date
2005
Doctoral Committee Chair(s)
Cziko, Gary A.
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, Technology of
Language
eng
Abstract
A validity table is presented to summarize the positive and negative attributes of six research questions investigated in this study: predictive validity, convergent and discriminant validity, improved essay quality, consequential validity, test fairness, and authenticity. Arguments in favor of the CEEPT came from six types of validity evidence. First, the qualitative data complemented the results of a correlation coefficient between CEEPT and first semester GPA. Second, the CEEPT is convergent with the TOEFL listening, the TOEFL essay writing, and the GRE analytical writing sections. The CEEPT measures different abilities than do the quantitative and analytical sections of the GRE, as indicated by insignificant and low correlation coefficients. Third, the CEEPT elicited test takers' writing abilities with the help of peer feedback and computer writing tools, as indicated by scores and text analysis. Fourth, malcontents (i.e., test-takers unhappy with the test's results) reported that they benefited from taking ESL courses and appreciated the benefit, which showed that adverse consequences were minimized. Fifth, an absence of evidence of bias ensures comparable construct and predictive validity for subgroups of language background, gender, and discipline. Sixth, students perceived a close match between the academic tasks and the CEEPT tasks, and they expressed their preference for the CEEPT and the computer delivery of the test.
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