The students with nonverbal autism are challenged in communicating their needs which is fundamental in the everyday life of a person. Augmentative and Alternative Communication (AAC) aids children with a speech impediment in expressing necessities. However, the Philippines might be one of the most numerous smartphone users in the world but it…

Selective mutism is defined as "the consistent failure to speak in specific social situations despite the ability to speak in other settings" (American Psychiatric Association, 1994 as cited in Zelenko & Shaw, 2000). For many years, selective mutism was considered to be a very rare disorder amongst individuals, and little attention…

This thesis investigated the effects of adding the learning of American Sign Language (ASL) signs (as part of the Applied Behavior Analysis) on the negative behaviors of seven developmentally disabled children (aged 8-13 years). The children were measured on the following: overall disruptive behavior; aggressive behavior; tantrums; and the use of…