3. Electronic Theses and Dissertations (ETDs) - All submissions
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Item An investigation into the use of mental imagery by children with autism(2012-03-14) Hadfield, TracyWith the increasing prevalence of autism on a worldwide scale, new teaching methodologies need to be explored in order to educate children with autism helping them to achieve their maximum potential. It has previously been established that many individuals with autism use visual opposed to verbal modes of thinking and learning. In this study action research was used to examine if high imagery instructional methods of teaching could be used as a teaching tool for autistic children attending a special needs school. This study examined whether there was a change in the classroom performance of three autistic children after a 5 month period of high imagery instruction, as compared against a baseline of response to previous instruction, as well as the pattern of verbal and non verbal abilities manifested at time of intake into the programme. Analysis of the results of initial cognitive, language and perceptual tests was thus undertaken for diagnostic purposes, combined with analysis of initial response to teaching prior to high imagery intervention. Once this base-line had been established, analysis of school readiness and scholastic tests was then undertaken pre and post intervention, combined with in-depth interviews with the children’s teacher, analysis of developmental diaries and analysis of work done as part of the school programme followed by each child over a five month period of intervention. At baseline all three children were found to have phonological weaknesses, as evidenced by difficulties isolating onset sounds in words, difficulties with rhyming and difficulties in skills such as blending sounds into words. Two of the children in the sample showed little to no response to the high imagery instruction, and continued to have difficulties with reading and pre-reading tasks involving working with the sound structure of the English language. The third child in the sample showed an increase in phonological skills and in reading, writing and spelling abilities in response to high imagery instruction, as well as an increase in both vocabulary and the non-verbal abilities involved in drawing . It was noted at base-line as well as throughout the study that visual memory was an area of strength for this child, but not for the other two children in the sample. The child who made progress was also able to use his visual strengths to develop associations between sounds and letters. The conclusions from this exploratory study are that not all children with autism learn through use of visual strategies in teaching. The success of high imagery teaching strategies when used with a child with well developed visual memory abilities would suggest that high imagery instruction could be a useful and successful teaching strategy where children with autism exhibit well developed visual modes of thought. Strengths in visual memory and in visual association may be indicators of the likelihood that a child with autism will respond positively to high imagery instruction.Item Development of a questionnaire to determine change in the occupational performance of pre-school children with autistic spectrum disorders receiving occupational therapy - sensory integration(2010-09-20) Wallace, Kerry AnneAs there are no occupation based outcome measures evaluating the effect of occupational therapy in the pre-school child with an Autism Spectrum Disorder (ASD) an Occupational Performance Questionnaire (OPQ) was developed to address this. The OPQ was tested for content validity and reliability before a 12 month intervention study to establish construct validity and response to change in children with ASD receiving Occupational Therapy using a Sensory Integration frame of reference (OT-SI) was done. The results of 19 subjects on the OPQ were compared with the results on two other standardised measures -the Short Sensory Profile (SSP), and Parenting Stress Index (PSI-SF) at six monthly intervals. Convergent validity between family impact on the OPQ and the PSI-SF was moderate but for occupation performance on the OPQ and the SSP it changed from negligible to moderate over 12 months. The OPQ is responsive to change as correlations between improvements in the three outcome measures were moderate. The OPQ was found to still need attention in terms of item reliability and validity.Item Parent/care givers' perception of the efficacy of a student based occupational therapy service with autistic spectrum disorder children(2009-11-03T09:20:26Z) Bale, RebeccaThis qualitative study explores the perceptions of parents/caregivers of the efficacy of a student based occupational therapy service with children with autistic spectrum disorders (ASD). Key informant interviews were conducted with ten randomly selected parents/caregivers of children with ASD receiving occupational therapy from final year students of the University of the Witwatersrand. Data analysis generated six themes: Understanding of Occupational Therapy; Limitations of students as therapists; Lack of partnership; Inadequate structure of the program; Inefficacy of the service and, Desperate need of help. The study showed that the student based occupational therapy service was not effective because students were not in a position to provide a comprehensive treatment programme for the children. The findings highlight the need for the provision of a full time occupational therapy service at the CDC. A follow up study to explore experiences of students in the management of ASD is recommended.Item An investigation into the coping resources of parents with autistic children(2007-02-28T12:21:44Z) Katz, BiancaThe diagnosis of a serious disability brings many changes to the family of the newly diagnosed member. Each type of disability and each child is unique. The characteristics of autism make raising an autistic child challenging and places great stress on the family. The diagnosis of autism therefore presents the family with a great deal of unique challenges. Coping is necessary for the maintenance of the family and for the quality of life to remain intact for the individual family members. Traditionally the emphasis has been on treating the autistic child. However, recently more attention has been devoted to providing supportive and counselling services to the families of autistic children. Research has shifted its focus towards identifying those resources that enable the family to cope successfully in the face of chronic stress. The present study used the process model of stress and coping (Folkman & Lazarus, 1984) to examine the variables that may alleviate parental stress. These variables include both personal and socio-ecological coping resources, for example, personality variables, parenting skills, previous coping skills, social support and support from formal agencies. The sample selected consisted of 31 parents of autistic children. The parents were recruited through schools that cater specifically to autistic children and the parents were all volunteer participants. The results indicated that intervention and parent education levels are associated with the level of stress experienced by parents of autistic children. These results highlight the need for family-based intervention programmes that are specifically tailored to suit the needs of the family being helped. Without adequate services, it is unlikely that any amount of psychosocial support will be able to prevent family stress.