Background: Children and adults with developmental disability frequently require either aided or unaided alternative and augmentative communication (AAC). Key word sign (KWS) involves using natural gesture and sign language to support the key words in spoken utterances. The purpose of this study was to determine whether communication partners of…

Diversification of the scientific workforce usually focuses on recruitment and retention of women and underrepresented racial and ethnic minorities but often overlooks deaf and hard-of-hearing (D/HH) persons. Usually classified as a disability group, such persons are often members of their own sociocultural linguistic minority and deserve unique…

Purpose: Research has demonstrated that formal training is essential for professionals to learn key word signing. Yet, the particular didactic strategies have not been studied. Therefore, this study compared the effectiveness of verbal and video feedback in a key word signing training for future direct support staff. Method: Forty-nine future…

Background: This study examined whether Motivational Interviewing (MI) follow-up calls improved the extent to which a specific therapeutic technique (Key Word Sign) presented in training was retained and implemented by staff supporting people with an intellectual disability.Method: Thirty-eight residential support workers who attended Key Word…

Spoken language (unimodal) interpreters often prefer to interpret from their non-dominant language (L2) into their native language (L1). Anecdotally, signed language (bimodal) interpreters express the opposite bias, preferring to interpret from L1 (spoken language) into L2 (signed language). We conducted a large survey study ("N" =…

The primary purpose of this study was to evaluate the generalization of mands during functional communication training (FCT) and sign language training across functional contexts (i.e., positive reinforcement, negative reinforcement). A secondary purpose was to evaluate a training procedure based on stimulus control to teach manual signs. During…

A case study of two qualified New Zealand Sign Language interpreters working in a post-secondary education setting in New Zealand was undertaken using both qualitative and quantitative methods. Educational sign language interpreting at the post-secondary level requires a different set of skills and is a reasonably new development in New Zealand.…

The present study was conducted in three parts. Each part analyzed theory of mind (ToM) development in children who are deaf in relation to mental verb and complement syntax understanding. In the first part, participants were given a series of tests for the purpose of correlational analysis of ToM, mental verb understanding, and memory for…

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…

The purpose of this study was to determine the effect of manual sign mand training combined with prompt delay and vocal prompting on the production of vocal responses in nonvocal children with developmental disabilities. A multiple baseline design across participants verified the effectiveness of this intervention. All participants showed…

We review recommendations for sequencing instruction in receptive and expressive language objectives in early and intensive behavioral intervention (EIBI) programs. Several books recommend completing receptive protocols before introducing corresponding expressive protocols. However, this recommendation has little empirical support, and some…

This study compared the total amount of training time and total number of trial blocks for individuals with severe developmental disabilities to acquire mands under control of unconditioned establishing operations and mands under control of transitive conditioned establishing operations for manual sign and for the Picture Exchange Communication…

This study compared the effects of Picture Exchange Communication System (PECS) and sign language training on the acquisition of mands (requests for preferred items) of students with autism. The study also examined the differential effects of each modality on students' acquisition of vocal behavior. Participants were two elementary school students…

This study surveyed 46 professional sign language interpreters working in criminal justice settings and evaluated 22 cases to evaluate access issues for individuals with hearing impairments. Recommendations to increase the accessibility of interpreting services included providing ongoing awareness training to criminal justice personnel and…

The article explores sign language interpreter training, testing, and accreditation in three major English-speaking countries, Australia, the United Kingdom, and the United States, by providing an overview of the training and assessment of sign language interpreters in each country. The article highlights the reasons these countries can be…