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The Encyclopedia of Terminology for Conversation Analysis and Interactional Linguistics /
Turn-Constructional Unit (TCU)
- Shimako Iwasaki
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Description: Within Conversation Analysis (CA), talk-in-interaction is conceptualized as the coordinated alternation of turns that are composed of turn-constructional units (TCUs) (Sacks et al. 1974). Sacks, Schegloff and Jefferson (1974: 702) proposed that turns are incrementally built out of a series of TCUs (either single TCUs or multiple TCUs), where TCU “unit-types for English include sentential, clausal, phrasal, and lexical constructions.”