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Construct Validity of the Autism Classification System of Functioning: Social Communication (ACSF:SC) across Childhood and Adolescence
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Tajik-Parvinchi, Diana; Rosenbaum, Peter; Hidecker, Mary Jo Cooley; Duku, Eric; Zwaigenbaum, Lonnie; Roncadin, Caroline; Georgiades, Stelios; Gentles, Stephen; Fang, Hanna; Di Rezze, Briano – Journal of Autism and Developmental Disorders, 2023
This study examined the construct validity of the Autism Classification System of Functioning: Social Communication (ACSF). Participants included 145 parents of children with autism (2-19 years). The degree of convergent and discriminant validity between parent reported ACSF and subscales from Social Responsiveness Scale 2nd edition and Behavior…
Descriptors: Children, Adolescents, Autism Spectrum Disorders, Parents
Brief Report: Plasma Leptin and Mealtime Feeding Behaviors among Children with Autism Spectrum Disorder: A Pilot Study
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Dhaliwal, Khushmol K.; Avedzi, Hayford M.; Richard, Caroline; Zwaigenbaum, Lonnie; Haqq, Andrea M. – Journal of Autism and Developmental Disorders, 2023
We examined the relationship between weight status, appetite regulating hormones, and mealtime behaviors among children, (5-12 years old), diagnosed with Autism Spectrum Disorder (ASD) in a cross-sectional study. All (N = 21) completed anthropometry measurements and (n = 18) provided blood samples for hormone analysis. Mealtime behavior, dietary,…
Descriptors: Body Weight, Metabolism, Physiology, Eating Habits
The Influence of Bilingual Language Exposure on the Narrative, Social and Pragmatic Abilities of School-Aged Children on the Autism Spectrum
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Beauchamp, Myriam L. H.; Rezzonico, Stefano; Bennett, Terry; Duku, Eric; Georgiades, Stelios; Kerns, Connor; Mirenda, Pat; Richard, Annie; Smith, Isabel M.; Szatmari, Peter; Vaillancourt, Tracy; Waddell, Charlotte; Zaidman-Zait, Anat; Zwaigenbaum, Lonnie; Elsabbagh, Mayada – Journal of Autism and Developmental Disorders, 2023
We examined the narrative abilities of bilingual and monolingual children on the autism spectrum (AS), whether bilinguals presented stronger social and pragmatic language abilities compared to monolinguals, and the link between narrative, social, and pragmatic language abilities. The narrative, social, and pragmatic language skills of school-aged…
Descriptors: Bilingualism, Monolingualism, Language Skills, Children
Relations of Restricted and Repetitive Behaviors to Social Skills in Toddlers with Autism
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Chaxiong, Pang; Burrows, Catherine; Botteron, Kelly N.; Dager, Stephen R.; Estes, Annette M.; Hazlett, Heather C.; Schultz, Robert T.; Zwaigenbaum, Lonnie; Piven, Joseph; Wolff, Jason – Journal of Autism and Developmental Disorders, 2022
We examined the relations of restricted and repetitive behaviors (RRB; insistence on sameness, repetitive sensory-motor, self-injurious behavior) to social skills overall and aspects that comprise social skills as measured by the VABS-II (coping skills, play/leisure time, interpersonal relationships) in 24- (n = 63) and 36-month old (n = 35),…
Descriptors: Toddlers, Autism, Interpersonal Competence, Child Behavior
Trajectories of Symptom Severity in Children with Autism: Variability and Turning Points through the Transition to School
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Georgiades, Stelios; Tait, Peter A.; McNicholas, Paul D.; Duku, Eric; Zwaigenbaum, Lonnie; Smith, Isabel M.; Bennett, Teresa; Elsabbagh, Mayada; Kerns, Connor M.; Mirenda, Pat; Ungar, Wendy J.; Vaillancourt, Tracy; Volden, Joanne; Waddell, Charlotte; Zaidman-Zait, Anat; Gentles, Stephen; Szatmari, Peter – Journal of Autism and Developmental Disorders, 2022
This study examined the trajectories of autistic symptom severity in an inception cohort of 187 children with ASD assessed across four time points from diagnosis to age 10. Trajectory groups were derived using multivariate cluster analysis. A two trajectory/cluster solution was selected. Change in trajectory slopes revealed a "turning…
Descriptors: Symptoms (Individual Disorders), Severity (of Disability), Children, Autism
Adaptation, Content Validity and Reliability of the Autism Classification System of Functioning for Social Communication: From Toddlerhood to Adolescent-Aged Children with Autism
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Di Rezze, Briano; Gentles, Stephen James; Hidecker, Mary Jo Cooley; Zwaigenbaum, Lonnie; Rosenbaum, Peter; Duku, Eric; Georgiades, Stelios; Roncadin, Caroline; Fang, Hanna; Tajik-Parvinchi, Diana; Viveiros, Helena – Journal of Autism and Developmental Disorders, 2022
The Autism Classification System of Functioning: Social Communication (ACSF) describes social communication functioning levels. First developed for preschoolers with ASD, this study tests an expanded age range (2-to-18 years). The ACFS rates the child's typical and best (i.e., capacity) performance. Qualitative methods tested parent and clinician…
Descriptors: Content Validity, Reliability, Autism Spectrum Disorders, Classification
"Going Mobile"-Increasing the Reach of Parent-Mediated Intervention for Toddlers with ASD via Group-Based and Virtual Delivery
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Brian, Jessica; Solish, Abbie; Dowds, Erin; Roth, Ian; Bernardi, Kate; Perry, Kate; Daoud, Sara; Jilderda, Sanne; MacWilliam, Stacey; Smith, Isabel M.; Zwaigenbaum, Lonnie; Bryson, Susan – Journal of Autism and Developmental Disorders, 2022
Evidence supports early intervention for toddlers with ASD, but barriers to access remain, including system costs, workforce constraints, and a range of family socio-demographic factors. An urgent need exists for innovative models that maximize resource efficiency and promote widespread timely access. We examined uptake and outcomes from 82…
Descriptors: Early Intervention, Autism Spectrum Disorders, Barriers, Toddlers
"Best Things": Parents Describe Their Children with Autism Spectrum Disorder over Time
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Cost, Katherine T.; Zaidman-Zait, Anat; Mirenda, Pat; Duku, Eric; Zwaigenbaum, Lonnie; Smith, Isabel M.; Ungar, Wendy J.; Kerns, Connor; Bennett, Theresa; Szatmari, Peter; Georgiades, Stelios; Waddell, Charlotte; Elsabbagh, Mayada; Vaillancourt, Tracy – Journal of Autism and Developmental Disorders, 2021
This study examined parental perceptions of the character traits of children with autism from early childhood to age 11. Parents (n = 153) provided descriptions of the "best things" about their children on the Child Behavior Checklist (CBCL) at ages 3-4, 7-8, and 10-11 years. Descriptions were coded using the framework of the Values in…
Descriptors: Parent Attitudes, Autism, Pervasive Developmental Disorders, Personality Traits
Screening for Behavioral Signs of Autism Spectrum Disorder in 9-Month-Old Infant Siblings
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Sacrey, Lori-Ann R.; Zwaigenbaum, Lonnie; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2021
Despite considerable progress in characterizing the early signs of autism spectrum disorder (ASD), more remains to be learned about how symptoms emerge in the first year of life. Parents with a new baby who already had at least one biological child diagnosed with ASD (high-risk) or no family history of ASD (low-risk) completed two measures when…
Descriptors: Siblings, Screening Tests, Autism, Pervasive Developmental Disorders
Parent-Reported Rates and Clinical Correlates of Suicidality in Children with Autism Spectrum Disorder: A Longitudinal Study
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Hunsche, Michelle C.; Saqui, Sonja; Mirenda, Pat; Zaidman-Zait, Anat; Bennett, Teresa; Duku, Eric; Elsabbagh, Mayada; Georgiades, Stelios; Smith, Isabel M.; Szatmari, Peter; Ungar, Wendy J.; Vaillancourt, Tracy; Waddell, Charlotte; Zwaigenbaum, Lonnie; Kerns, Connor M. – Journal of Autism and Developmental Disorders, 2020
This study investigated rates of suicidal ideation (SI) and suicidal and/or self-injurious behaviour (SSIB) reported by parents on the Child Behavior Checklist for 178 children with ASD over four annual assessments (ages 7-11 years). Analyses examined the frequency and persistence of SI and SSIB, and the association of SI and SSIB at any time…
Descriptors: Suicide, Self Destructive Behavior, Children, Check Lists
Relationship between Early Social-Emotional Behavior and Autism Spectrum Disorder: A High-Risk Sibling Study
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Raza, Sarah; Sacrey, Lori-Ann R.; Zwaigenbaum, Lonnie; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2020
Social-emotional behavior in autism spectrum disorder (ASD) was examined among high-risk (HR; siblings of children diagnosed with ASD) and low-risk (LR; no family history of ASD) toddlers. Caregivers completed the Infant-Toddler Social Emotional Assessment (ITSEA) at 18 months, and blind diagnostic assessment for ASD was conducted at 36 months.…
Descriptors: Autism, Pervasive Developmental Disorders, Genetics, Clinical Diagnosis
Brief Report: Preliminary Feasibility of the TEDI: A Novel Parent-Administered Telehealth Assessment for Autism Spectrum Disorder Symptoms in the First Year of Life
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Talbott, Meagan R.; Dufek, Sarah; Zwaigenbaum, Lonnie; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Rogers, Sally J. – Journal of Autism and Developmental Disorders, 2020
Families with early concerns about infant symptoms of ASD have limited access to experienced professionals for screening and guidance. Telehealth has been used to reduce access disparities in other pediatric populations and has shown promise in parent-implemented interventions for ASD. We investigated the feasibility of a novel level-2 telehealth…
Descriptors: Autism, Pervasive Developmental Disorders, Infants, Parents
The Importance of Temperament for Understanding Early Manifestations of Autism Spectrum Disorder in High-Risk Infants
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Paterson, Sarah J.; Wolff, Jason J.; Elison, Jed T.; Winder-Patel, Breanna; Zwaigenbaum, Lonnie; Estes, Annette; Pandey, Juhi; Schultz, Robert T.; Botteron, Kelly; Dager, Stephen R.; Hazlett, Heather C.; Piven, Joseph; Piven, J.; Hazlett, H. C.; Chappell, C.; Dager, S.; Estes, A.; Shaw, D.; Botteron, K. N.; McKinstry, R. C.; Constantino, J.; Pruett, J.; Schultz, R. T.; Paterson, S.; Zwaigenbaum, L.; Elison, J.; Evans, A. C.; Collins, D. L.; Pike, G. B.; Fonov, V.; Kostopoulos, P.; Das, S.; Gerig, G.; Styner, M.; Gu, H. – Journal of Autism and Developmental Disorders, 2019
The present study investigated the relationship between infant temperament characteristics and autism spectrum disorder (ASD) risk status. Temperament was examined at 6, 12, and 24 months in 282 infants at high familial risk for ASD and 114 low-risk controls using the Infant Behavior Questionnaire-Revised and Early Childhood Behavior…
Descriptors: Autism, Pervasive Developmental Disorders, Infants, At Risk Persons
The Performance of the First Year Inventory (FYI) Screening on a Sample of High-Risk 12-Month-Olds Diagnosed with Autism Spectrum Disorder (ASD) at 36 Months
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Lee, Helen Y.; Vigen, Cheryl; Zwaigenbaum, Lonnie; Bryson, Susan; Smith, Isabel; Brian, Jessica; Watson, Linda R.; Crais, Elizabeth R.; Turner-Brown, Lauren; Reznick, J. Steven; Baranek, Grace T. – Journal of Autism and Developmental Disorders, 2019
This study examined the performance of the First Year Inventory (FYI; version 2.0), a community-normed parent-reported screening instrument, in a high-risk (HR) sample of 12-month-olds with older siblings diagnosed with autism spectrum disorder (ASD). The FYI 2.0 was completed by parents of 86 HR infants and 35 low-risk control infants at age…
Descriptors: Toddlers, Screening Tests, At Risk Persons, Autism
Brief Report: Evaluation of the Short Quantitative Checklist for Autism in Toddlers (Q-CHAT-10) as a Brief Screen for Autism Spectrum Disorder in a High-Risk Sibling Cohort
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Raza, Sarah; Zwaigenbaum, Lonnie; Sacrey, Lori-Ann R.; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Reid, Kyle; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2019
This study examined the potential of the short form of the Quantitative Checklist for Autism in Toddlers (Q-CHAT-10) to identify autism spectrum disorder (ASD) in a high-risk sibling cohort. High-risk (HR; siblings of children diagnosed with ASD) and low-risk (LR; no family history of ASD) toddlers were assessed prospectively at 18 and 24 months…
Descriptors: Autism, Pervasive Developmental Disorders, Toddlers, At Risk Persons
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