The employment of International Teaching Assistants in U.S. universities has caused concern with regards to the communicative competence of nonnative speaker TAs in undergraduate classrooms. Researchers such as Rounds (1985), Bryd (1986), Constantino (1986), Tyler (1990), Shaw (1994), and Hoekje and Williams (1994), among others have suggested that more research is needed on the performance of nonnative speaker TAs in specific disciplines.This study is an-attempt to describe the discourse skills of nonnative speaker TAs in Computer Science. The speech event of twelve nonnative speaker TAs was observed and video and audiotaped in teaching lecture and laboratory (programming session) classes. Three native speaker TAs of the same profession were also studied as a comparison group. A profile of each of the TAs was made based on field notes, interviews and student evaluations, to determine TA typologies along Bailey's (1982,1984) classification. The profiles also contributed to grouping the TAs into more skillful and less skillful TAs.The classroom observations were analyzed to determine whether NNSTAs encountered difficulty speaking comprehensibly and explaining the computer science concepts clearly. The other questions investigated included: the apparent degree and ease of student comprehension of the teachers; the amount of student participation allowed and encouraged; the degree of interaction in the classes; and the amount of rapport between the NNSTAs and their students.The rhetorical analysis of the discourse structure of the computer science classrooms revealed two genres. Descriptive discourse was predominant in the lecture sessions and procedural discourse was predominant in the programming sessions. Linguists have shown that there are interesting connections between discourse type and the interlocutor's choice of particular syntactic structures. The investigations in this study showed that the successful NNSTAs complied with these connections and the less successful NNSTAs did not. The discourse problems of nonnative speaker TAs stemmed mainly from their inability to use various cohesive ties and deictic markers appropriately.Finally, the study showed that despite pronunciation and grammatical deficiencies, NNSTAs' success in their classes was determined by their speech acts. The moreinteractive TAs who employed various illocutionary acts to transact disciplinary information were the more skillful TAs. / Department of English
| Identifer | oai:union.ndltd.org:BSU/oai:cardinalscholar.bsu.edu:handle/175940 |
| Date | January 1994 |
| Creators | Duerksen, Aye-Nu |
| Contributors | Ely, Christopher M. |
| Source Sets | Ball State University |
| Detected Language | English |
| Format | iv, 186 leaves ; 28 cm. |
| Source | Virtual Press |
| Coverage | n-us--- |
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