100 00 80 Primary Responses Baseline Intervention Maintenance T T R 100 Percentage Correct R 8 8 T 1000 100 8 8 BO 40 20 0 Secondary Responses Baseline Intervention Maintenance 100 80- 8 1000 DYAD 1 Jackson Carter 40 20 DYAD 2 Flynn -O-Marshall 100 100 00 80 to 60 40 20 20 000 DYAD 3 Ryan Chan OOOOOOO 02 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18 Consecutive Probe Sessions Consecutive Probe Sessions