The purpose of the study was to describe the communication of toddlers with Down syndrome in everyday routines with their caregivers within four intervention time points. Archival video data of caregiver-implemented language intervention from the KidTalk Tactics Project were used to describe the communication of three children, ages 12 to 20 months, measured at four time periods across caregiving, pre-academic, and play routines. Increases in the frequency of single words and multiple word phrases were evident for all children. Variability in the frequency of communication acts in different...