Descriptive Statistic Information of Part of Speech (POS) Categories across Interactional Tasks

 The numbers represent the pooled data for each part-of-speech (POS) category across tasks and conditions, with the numbers in parentheses indicating the corresponding percentage (Blocks A = with a non-explicit goal to build with blocks; Blocks B = with an explicit goal to build a tower together; Blicket = with an explicit goal to teach the infants a novel noun; CV = co-view’ DG = digital-view