Identifying an augmentative and alternative communication (AAC) method for children with autism spectrum disorder (ASD) might be informed by comparing their performance with, and preference for, a range of communication modalities. Towards this end, the present study involved two children with ASD who were taught to request the continuation of toy…

Therapists and educators frequently teach alternative-communication systems, such as picture exchanges or manual signs, to individuals with developmental disabilities who present with expressive language deficits. Michael (1985) recommended a taxonomy for alternative communication systems that differentiated between selection-based systems in…

We compared acquisition of, and preference for, manual signing (MS), picture exchange (PE), and speech-generating devices (SGDs) in four children with autism spectrum disorders (ASD). Intervention was introduced across participants in a non-concurrent multiple-baseline design and acquisition of the three communication modes was compared in an…

Research evaluating augmentative and alternative communication (AAC) options shows general support for various strategies (e.g., manual sign, picture exchange) in teaching individuals with autism (ASD) and intellectual disabilities (ID) to request basic wants and needs. However, the overall quality and quantity of research is diluted by the…

According to the "Diagnostic and Statistical Manual of Mental Disorders" (DSM-IV-TR; American Psychiatric Association, APA, 2000), autism is a neurodevelopmental disorder that is characterized by impairments in social and communicative behaviors with great variations in ability, depending on developmental level, intelligence, and chronological…

Evidence-based practice (EBP) refers to clinical decisions as a result of the careful integration of research evidence and student needs. Legal mandates such as No Child Left Behind require teachers to employ evidence-based practices in their classrooms, yet teachers receive little guidance regarding how to determine which practices are…

Many young children have speech or language disorders or delays that require the coordinated services of a preschool intervention team. Young children with delayed talking skills benefit when their parents and their preschool teachers collaborate to include assistive technology in home and preschool routines. Assistive technology for communication…

This study investigated the caseload characteristics and the types of intervention implemented for children with autistic spectrum disorder (ASD). A survey was developed and distributed to 75 speech-language therapists working for Special Education within the New Zealand Ministry of Education. A total of 34 surveys were completed and returned.…