A Randomized Trial of the Digital Down Syndrome LanguagePlus (DSL+) Vocabulary Intervention Program

This study investigated the effect of digital Down Syndrome LanguagePlus (DSL+) intervention on vocabulary outcomes through a school-delivered randomized controlled trial. A national sample first graders with syndrome from 91 schools was allocated to an group ( n = 50), which received daily for 15 weeks, or business-as-usual control 53). The involved picture book sharing and structured tasks organized as one-to-one, small-group, full-class lessons. Children in made greater gains than children expressive breadth d .429, CI [.160, .699]) receptive .447, [.193, .700]). indicate that novel DSL+ is effective increase trained among syndrome, it takes only minutes effort 5 days week.