Surviving in the mainstream: Capacity of children with autism spectrum disorders to perform academically and regulate their emotions and behavior at school
Section snippets
Method
A case-control research design was used to compare a group of students with ASD with age- and gender-matched typically developing (TD) students. In order to control for differences in teaching styles, classroom environments, educational programs and differences in the way that teachers rate behaviors and academic achievement, the typically developing controls were drawn from the same classrooms as the students with ASD.
Participants
All the children with ASD attended regular education classes (classes taught by teachers where the majority of students had no special needs). The students with ASD received support from special education or learning support teachers (either visiting or based at the school) and teacher aides (paraprofessionals). Speech language therapy, occupational therapy and physiotherapy services were available if requested by their classroom teachers. The intensity and nature of support varied according to
Procedure
Ethical clearance to conduct the study was obtained from The University of Queensland and Education Queensland, Australia. The teachers, students and parents provided informed written consent. The Gilliam Autism Rating Scale (Gilliam, 1995) and the Gilliam Asperger's Disorder Scale (GADS) (Gilliam, 2001) were used to provide a measure of severity of autistic symptoms and verification of the condition. The Kaufman Brief Intelligence Test (K-BIT) was used to ensure that all students met the
Instrumentation
The Gilliam Autism Rating Scale (GARS) (Gilliam, 1995) is a caregiver questionnaire that determines the likelihood of individuals aged 3–22 years having autism. Oswald (1998) suggested that the GARS has quite good reliability and validity (internal consistency of each subscale ranged from .88 to .93, the inter-rater reliability correlation coefficient for the total scale was .88, test–retest reliability correlation coefficient was .88 and content validity supported by item-subscale total
Data analysis
Independent sample t-tests for equality of means were used to determine differences between the ASD and TD groups with regard to estimated intelligence, age (to ensure that the groups were well matched) and classroom emotional, behavioral and educational outcomes. A conservative alpha level of .01 was set to account for the increased risk of Type 1 error resulting from multiple comparisons using the same data set. Homogeneity of variance was not assumed because of the unequal sample sizes.
Results
No significant between-group differences were found in age (t = 0.71, p = .48, d = 62.10) or K-BIT scores (t = 0.78, p = .44, 66.72), thus confirming the matching of the two groups on these variables. The K-BIT scores ranged from 82 to 124 with a mean of 103.5 (SD = 10.24) in the ASD group and 84 to 144 with a mean of 105.76 (SD = 12.81) in the typically developing group. The mean scores, standard deviations and between-group differences on the CTRS–R:L and ASEBA:TRF are shown in Table 1, Table 2.
No
Discussion
The findings of this study concur with prior research suggesting that students with ASD exhibit significantly higher levels of behavioral and emotional difficulties at school than their typically developing peers in a wide range of areas including attention difficulties (e.g., hyperactivity and inattention), internalizing behaviors (e.g., anxiety, depression, withdrawal and shyness) and externalizing behaviors (e.g., oppositional and aggressive behaviors) (Barnhill et al., 2001, Eaves and Ho,
Limitations of study
The choice of assessments used in this study was limited by budgetary constraints. In particular, the use of a full scale IQ test would have been preferable to the use of an abbreviated IQ test such as the K-BIT. More valid and reliable verification of their diagnosis would have been achieved through use of the Autism Diagnostic Observation Schedule (Lord et al., 2000), and Autism Diagnostic Interview-Revised (Lord, Rutter, & Le Couteur, 1994).
Recommendations for further research
Although the students with ASD in this study were supported by special education teachers and teacher aides and in some cases speech language pathologists, occupational therapists and physiotherapists, it would appear that many were underperforming relative to their level of ability and were struggling to maintain their attention and regulate their emotions and behaviors in mainstream classrooms. These findings point to the need for alternative models of supporting these students in mainstream
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