Joshua is three years old and has a diagnosed disability in expressive language. He lives at home with his dad and paternal grandparents. Joshua's father, Mark, and grandfather work full-time. Mark says he tries to play with his son when he gets home from work but reports that Joshua prefers watching TV or playing alone with the iPad. Joshua does like to go to the park to play with Mark and kick a soccer ball around. Joshua usually uses single words or short phrases to communicate. As Joshua transitioned from early intervention, his speech-language pathologist recommended that he have opportunities to engage with other children and other adults who could support his emerging language skills. As a result, he recently started at a daily preschool program, where you can frequently find him in the block corner building forts and fences for farm animals. He also spends quite a bit of time in the art area, painting or coloring with markers. During large group activities, he is generally quiet and does not participate in songs or answering questions that Jennifer, his teacher, asks. Recently, when the children were playing outside, Joshua sat down and started crying and holding his arm. His