This response to Rule et al. (EC 620 843) concerning translating research on naturalistic instruction into early-intervention practice with young children with disabilities raises concerns about treatment fidelity in such research studies, and notes the existence of pioneering models for studying treatment fidelity. (DB)

This response to Rule et al. (EC 620 843) concerning translating research on naturalistic instruction into early intervention practice with young children with disabilities questions whether the main features of naturalistic instruction are often fully implemented, and suggests that following the suggested guidelines might lead to actually…