Figure 5

Mean number of interactions with a human caregiver for all participants for each day of the trials. A1 and A2 are the baseline phases (no use of COACH), B1 and B2 are the intervention phases (COACH used).
Mean number of interactions with a human caregiver for all participants for each day of the trials. A1 and A2 are the baseline phases (no use of COACH), B1 and B2 are the intervention phases (COACH used).