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Jamie Linert; Lizbeth H. Finestack; Leonard Abbeduto – Journal of Speech, Language, and Hearing Research, 2025
Purpose: The current study addresses a gap in the literature regarding syntactic development of adolescent boys with fragile X syndrome (FXS) and Down syndrome (DS). Specifically, we ask whether syntactic skills plateau or continue to change during adolescence for these groups and whether the profile of syntactic change differs between boys with…
Descriptors: Syntax, Adolescents, Males, Genetic Disorders
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Nevill, Rose; Hedley, Darren; Uljarevic, Mirko; Sahin, Ensu; Zadek, Johanna; Butter, Eric; Mulick, James A. – Autism: The International Journal of Research and Practice, 2019
This study investigated language profiles in a community-based sample of 104 children aged 1-3 years who had been diagnosed with autism spectrum disorder using "Diagnostic and Statistical Manual of Mental Disorders" (5th ed.) diagnostic criteria. Language was assessed with the Mullen scales, Preschool Language Scale, fifth edition, and…
Descriptors: Autism, Pervasive Developmental Disorders, Young Children, Language Skills
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Zheng, Lidan; Grove, Rachel; Eapen, Valsamma – Journal of Intellectual & Developmental Disability, 2019
Background: Mothers of children with autism experience high levels of stress. However, little is known about whether maternal stressors differ across children of different ages. Method: This study investigated stressors in mothers of 29 pre-school-aged and 27 school-aged children with autism. Correlation and regression analyses were used to…
Descriptors: Mothers, Predictor Variables, Stress Variables, Autism
Grimm, Ryan P.; Solari, Emily J.; McIntyre, Nancy S.; Zajic, Matthew; Mundy, Peter C. – Grantee Submission, 2017
Many children with autism spectrum disorders (ASD) struggle with reading comprehension. Linguistic comprehension is an important predictor of reading comprehension, especially as children progress through elementary school and later grades. Yet, there is a dearth of research examining longitudinal relations between linguistic comprehensions in…
Descriptors: Autism, Pervasive Developmental Disorders, Reading Comprehension, Language Skills
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Duncan, Amie W.; Bishop, Somer L. – Autism: The International Journal of Research and Practice, 2015
Daily living skills standard scores on the Vineland Adaptive Behavior Scales-2nd edition were examined in 417 adolescents from the Simons Simplex Collection. All participants had at least average intelligence and a diagnosis of autism spectrum disorder. Descriptive statistics and binary logistic regressions were used to examine the prevalence and…
Descriptors: Autism, Pervasive Developmental Disorders, Adolescents, Daily Living Skills
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Frenette, Priscilla; Dodds, Linda; MacPherson, Kathleen; Flowerdew, Gordon; Hennen, Brian; Bryson, Susan – Autism: The International Journal of Research and Practice, 2013
While early diagnosis of autism spectrum disorders (ASD) is essential for ensuring timely access to early intervention services, there is limited existing literature investigating factors that delay this diagnosis. This population-based cohort study explored the age at which children in Nova Scotia, Canada, are diagnosed with ASDs and the factors…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Age
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Puleo, Connor Morrow; Schmeidler, James; Reichenberg, Abraham; Kolevzon, Alexander; Soorya, Latha V.; Buxbaum, Joseph D.; Silverman, Jeremy M. – Autism: The International Journal of Research and Practice, 2012
De novo events appear more common in female and simplex autism spectrum disorder (ASD) cases and may underlie greater ASD risk in older fathers' offspring. This study examined whether advancing paternal age predicts an increase in simplex (n = 90) versus multiplex ASD cases (n = 587) in 677 participants (340 families). Whether or not controlling…
Descriptors: Autism, Risk, Males, Age Differences
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Carr, Themba; Lord, Catherine – Autism: The International Journal of Research and Practice, 2013
The purpose of this study was to examine the stability of mothers' perceptions of the negative impact of having a child with ASD in a sample of African American and Caucasian families as their children transitioned to early adolescence. Participants were mothers and children participating in an ongoing longitudinal study of children referred for…
Descriptors: Longitudinal Studies, Mothers, Parent Attitudes, Pervasive Developmental Disorders