This study evaluated whether picture exchange communication system (PECS) training would result in the development of conditional relations among corresponding pictures, objects (reinforcers) and spoken words used in PECS training with learners with developmental disabilities. Three participants with autism and mental retardation were trained to use PECS. Match-to-sample procedures were used to assess all possible conditional relations among stimuli before, during, and after PECS training. None of the three participants in this study acquired conditional discriminations involving the pictures, reinforcers, and spoken words used in their PECS training.

Sarah's literacy from ages 2-5 is documented through this longitudinal interpretative case study. The researcher, Sarah's mother, employed ethnographic techniques and methodologies of data analysis and data collection, including interviews, writing samples, audiotapes, observations, and field notes, to accomplish the research goals and purposes. The initial research goals were twofold: (a) to observe and describe Sarah's literacy in natural settings, particularly at home, beginning formally at age 2; and (b) to analyze, understand, and explain her literacy learning process. The model of literacy learning presented, the generative learning cycle, is grounded and rooted in both the data and the theory and research of others, notably Ken Goodman, Yetta Goodman, and Kathy Short. The data demonstrate that Sarah's learning is continuous and not hierarchically ordered as developmental stages propose. While the qualities of her literacy artifacts, or products, change, the quality of her thinking, strategies, and learning process do not. She perceives, questions, and invents sophisticated solutions to her inquiries concerning literacy, continually utilizing all she knows to outgrow herself and learn what she does not know.

Current research in early language development suggests that children who were diagnosed during preschool with expressive language delay would demonstrate difficulties during elementary school years (Scarborough and Dobrich, 1990). This purpose of the present study was to qualitatively describe the outcome of children with a history of early language delay and differing levels of expressive performance (ELD and HELD), as reported by the parents. A questionnaire was developed to determine the children's current age and grade level, past and present reading ability and reading interests, best and worst academic subject, special services and diagnosed disability, speech and language concerns, friendships concerns, and behavioral and motor issues. The study used Developmental Sentence Scoring (Lee, 197 4), which determined which children continued to function below the normal range at second grade. Once identified, these children were placed into two groups indicating early language delay (ELD) and history of early language delay (HELD). The data was collected from parent interviews and placed into tables for analysis. Case vignettes were developed for each ELD and HELD subject. The suggested trends from the study include: Differences in reading material, literacy related play activities, number of friends, and similar special services received in school.

published_or_final_version / Language Studies / Master / Master of Arts

Previous studies in child language socialization have adopted the approach of studying how children become competent members of their social groups through the use of language. This study began as an attempt to study child language socialization within selected Tucson U.S. Mexican households within this prevailing paradigm. During the course of fieldwork, it was found that the complexities of Borderlands structural and hegemonic relationships could not be adequately addressed within a theoretical assumption of homeostatic and monosemic communities. The ambiguities of "Mexican-ness" do not provide a consensually agreed upon or collectively implicit framework for language socialization. Instead, fluid domains are contested and negotiated as language socialization is construed as a constitutive process of "selfhood" for the child. Rather than replicating and reproducing previously transmitted information, certain parents and caregivers were found to actively engage in constructing an ethos for their own childhood experiences. Multivocality within multiple interactive spheres was identified as parents and caregivers often alternated between symbolic resistance and opposition, and accomodation. Additionally, an affective base for language socialization is postulated. An "emotion of minority status" that is structurally constituted and embedded within regional hegemonic relations is presented as a formative backdrop for children in this population. The essential methodology involved lengthy ethnographic observations coupled with audiocassette recordings of naturally occurring speech. Caregivers were supplied with tape recorders and cassettes and were asked to record interaction within the households, specifically at mealtime, bed time and homework sessions. In-depth open-ended interviews were taped with parents, and in some cases, grandparents, regarding their own perceptions of child-rearing, language habits, and value orientations. Extensive household histories, detailing residential, labor and family history, were also collected.

The Picture Exchange Communication System (PECS) has been used with children with autism and other developmental disabilities as an alternative to vocal communication. Some researchers have reported rapid acquisition of picture-exchange requesting as well as increased vocal speech and increased spontaneous social interactions following PECS training. Earlier research has found that although 3 children with autism learned to exchange pictures for preferred items during PECS training, requesting topographies did not change and vocal speech did not increase after PECS training. The present study evaluated the effects of PECS training on requesting topographies, especially vocal speech, with 3 participants with autism and mental retardation. Only one participant maintained picture-exchange requesting, and none of the participants showed an increase in vocal speech during probe sessions conducted after each PECS training phase.

published_or_final_version / Education / Master / Master of Education