During intervention sessions as many as six additional children, two teachers, one or two
teaching assistants, and one or two data collectors were present.All the children in the class rotated through centers
individually. The toys used during intervention were placed in one of these centers and the teacher trained to deliver the
intervention manned that center. Intervention was delivered when a participant rotated to that specific center. In this way
intervention was embedded into the children’s daily routine without changing their current schedule or the classroom’s
daily procedures.