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Social and Behavioral Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Purdue University

2014

Open Access Dissertations

Language

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Full-Text Articles in Social and Behavioral Sciences

Disentangling Fluency, Comprehensibility And Coherence: Toward A Better Understanding Of Oral Proficiency Profiles, Haiying Cao Oct 2014

Disentangling Fluency, Comprehensibility And Coherence: Toward A Better Understanding Of Oral Proficiency Profiles, Haiying Cao

Open Access Dissertations

This study is an empirical attempt to examine how removal of all possible disfluency markers can help disentangle proficiency components assessed by the Oral English Proficiency Test (OEPT) in order to help build empirical foundations for establishing OEPT profiles. Silent and filled pauses, false starts and repetitions were removed from 50 test recordings in WAVEPAD SOUND EDITOR. Five trained OEPT raters rated the original and edited speeches. Statistical analyses addressed three research questions: 1) do fluency, comprehensibility and coherence ratings significantly change after the disfluency manipulation; 2) do correlations between fluency, comprehensibility, coherence and coherence subcomponents change after the disfluency …


Relationships Between Lexical Proficiency And L2 Oral Proficiency, Yunjung You Oct 2014

Relationships Between Lexical Proficiency And L2 Oral Proficiency, Yunjung You

Open Access Dissertations

Lexical proficiency is strongly correlated with L2 productive language ability (Crossley, Salsbury, & McNamara, 2011; Laufer & Nation, 1995). While many studies have investigated the relationship between lexical proficiency and L2 writing ability, not many studies have been conducted in terms of spoken language. Also, few studies have focused on how non-native English speakers with different L1 backgrounds differently or similarly develop lexical proficiency in L2 speaking. Based on this background, the present study is conducted with three purposes: 1) to compare the effectiveness of measures of lexical proficiency in terms of their ability to predict the quality of L2 …