Table 4.

Adults' and children's devices for construing the referent.

	9–14 months	15–17 months	18–22 months	23–24 months
Adult	As long as where questions are asked, Jobs 3 and 4 merge For the devices, see Table 3	Initiates job by setting up a conditional relevance for labeling familiar objects What questions	Initiates job by setting up series of conditional relevancies for labeling. Devices: Reestablishing conditional relevance or initiating self-corrections Reformulating the child's utterance Asking series of questions
Child	Fulfills conditional relevance. Device: Pointing	Fulfills conditional relevance. Devices: Acting gestures Handling gestures Pointing + verbal label	Fulfills conditional relevance and initiates job. Devices: For responding: pointing + verbal label Verbal label For initiating: what question