Selective mutism (SM) is a childhood anxiety disorder characterized by the persistent failure to speak in situations where speech is typically expected (e.g., school), despite speaking in other situations (e.g., home; American Psychiatric Association [APA], 2013). Immigrant children are more likely to be diagnosed with SM than the general…

This study found that, on average, signed messages sent by teachers and students in a school for the deaf were seen less than half the time by the deaf students; students frequently engaged in collateral conversations. Intervention strategies call for changes in teaching techniques, classroom layout, and the use of computer-communication…