The Impact of Topic Selection on Lexico-Grammatical Errors and Scores in English Oral Proficiency Interviews of Korean College Students

The primary objective of this study is to identify the types errors made by Korean college students in an oral proficiency interview relation specific task topics, and examine how these affect their lexico-grammatical scores. Ninety-six two-minute-long audio clips 32 on three different topics were transcribed. Lexico-grammatical then coded for statistical analysis scores estimated using many-facet Rasch measurement with two raters. Friedman tests Wilcoxon signed-rank showed that noun phrase, verb prepositional phrase more frequently found descriptive tasks than compare-and-contrast or hypothetical prompts. A hierarchical multiple regression accounted 22% variance Adding utterance length variables initial model explained additional 43% These findings suggest should be a priority English classes, it beneficial teach speaking skills way takes into account characteristics contextual factors.