During small group instruction, two groups of children--each group comprised of one child with a disability and two without disabilities--were taught to read words using a progressive time delay procedure (PTD). Apart from the children with disabilities, two typically developing peers in each group were taught to comment on tokens given for…

Many studies have shown that small-group direct instruction is effective and efficient for teaching students with and without disabilities, although relatively few studies have been conducted with heterogeneous groups of preschool participants. In addition, previous studies have primarily assessed whether observational learning occurred for…