%0 Journal Article %T What counts as ¡°responding¡±? Contingency on previous speaker contribution as a feature of interactional competence %A Daniel M. K. Lam %J Language Testing %@ 1477-0946 %D 2018 %R 10.1177/0265532218758126 %X The ability to interact with others has gained recognition as part of the L2 speaking construct in the assessment literature and in high- and low-stakes speaking assessments. This paper first presents a review of the literature on interactional competence (IC) in L2 learning and assessment. It then discusses a particular feature ¨C producing responses contingent on previous speakers¡¯ contributions ¨C that emerged as a de facto construct feature of IC, oriented to both candidates and examiners within the school-based group speaking assessment in the Hong Kong Diploma of Secondary Education (HKDSE) English Language Examination. Previous studies have, similarly, argued for the importance of responding to or linking one¡¯s own talk to previous speakers¡¯ contributions as a way of demonstrating comprehension of co-participants¡¯ talk. However, what counts as such a response has yet to be explored systematically. This paper presents a conversation analytic study of the candidate discourse in the assessed group interactions, identifying three conversational actions through which student-candidates construct contingent responses to co-participants. The thick description about the nature of contingent responses lays the groundwork for further empirical investigations on the relevance of this IC feature and its proficiency implications %K Classroom-based assessment %K conversation analysis %K group format %K interactional competence %K speaking assessment %U https://journals.sagepub.com/doi/full/10.1177/0265532218758126