| Summary: | In South Africa students from disadvantaged educational backgrounds enrol at institutions of higher learning underprepared for the academic work expected of them. One reason for this is that English in South Africa is primarily an urban language and both Black children and teachers, especially in rural areas, lack sufficient exposure to it (Lemmer 1995) and at tertiary institutions students are expected to communicate efficiently in the language of instruction. The real-world problem at issue is ultimately the need for these students studying through the medium of English to develop their ability to participate actively in tutorials to improve both their academic understanding and their spoken discourse competence, which includes the ‘highly complex task of participating in talk-in-interaction’ (Dalton-Puffer 2007:280). Underlying the present study, then, is the conviction that through frequent interaction in the language of instruction, students will not only gain competence in speaking skills, but also deepen and expand their knowledge of their subject areas. This conviction led to the introduction of tutorials on a trial basis in my department and the study sought to develop a framework for analysing patterns of interaction in the tutorials that would also address the question of how the quality of such patterns might be assessed. The main construct investigated was ‘participation effectiveness’ (the quantity of speaker discourse acts and turns and speaker initiative at discourse act and turn-taking levels) and the overall findings indicated that third-year students participated more effectively than first-years; females performed better than males; and males in male-led tutorials used more discourse acts than females; while females in female-led tutorials did better than males. The analyses of effects of tutor discourse behaviour on student participation revealed that the types of questions tutors used and how they were combined were strong determinants of students' participation effectiveness. Although the approach of the study is essentially quantitative, the operationalisation of this main construct's two key components, namely 'participation' and 'initiative', forms a basis for also deriving more qualitative insights into this academically very important genre of spoken discourse. === Linguistics === D. Litt. et Phil. (Linguistics)
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