The study examines the interactive functions of gesture repetitions as a specific form of interpersonal synchronization in argumentative decision-making processes of peers (1-6 graders). Based on a collection of 13 instances, gesture repetitions are investigated in the process of collaboratively co-constructing arguments. Drawing on multimodal…

Research on the acquisition of Mayan languages has shown child-directed communication (CDC) to be low in frequency. Nevertheless, long-term linguistic-anthropological research with the Tsotsil Mayan in Southern Mexico has documented episodes in family life when children engage in interactional routines or interactional formats (IFs) with their…

Children all over the world learn language, yet the contexts in which they do so vary substantially. This variation needs to be systematically quantified to build robust and generalizable theories of language acquisition. We compared communicative interactions between parents and their 2-year-old children (N = 99 families) during mealtime across…