Many young children receive developmental screenings because they do not perform basic self-regulation skills needed in preschool and home environments. Previous research on Literacy-Based Behavioural Interventions (LBBI) shows promise for promoting acquisition and maintenance of skills and routines; however, research has not yet examined the…

Two studies, one within subjects and the other across subjects, evaluated the efficacy of teaching sounds in developmental sequence to nine young children (ages three to five). Treatment of later-acquired phonemes led to systemwide changes in untreated sound classes, whereas treatment of early-acquired phonemes did not. Findings suggest…