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Cicchetti, Domenic V.; Lord, Catherine; Koenig, Kathy; Klin, Ami; Volkmar, Fred R. – Journal of Autism and Developmental Disorders, 2014
In an earlier investigation, the authors assessed the reliability of the ADI-R when multiple clinicians evaluated a single case, here a female 3 year old toddler suspected of having an autism spectrum disorder (Cicchetti et al. in "J Autism Dev Disord" 38:764-770, 2008). Applying the clinical criteria of Cicchetti and Sparrow ("Am J…
Descriptors: Autism, Females, Toddlers, Pervasive Developmental Disorders
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Ventola, Pamela; Saulnier, Celine A.; Steinberg, Elizabeth; Chawarska, Katarzyna; Klin, Ami – Journal of Autism and Developmental Disorders, 2014
Individuals with ASD have significant impairments in adaptive skills, particularly adaptive socialization skills. The present study examined the extent to which 20 items from the Vineland Adaptive Behavior Scales-Socialization Domain differentiated between ASD and developmentally delayed (DD) groups. Participants included 108 toddlers with ASD or…
Descriptors: Pervasive Developmental Disorders, Autism, Toddlers, Socialization
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Sharp, William G.; Berry, Rashelle C.; McCracken, Courtney; Nuhu, Nadrat N.; Marvel, Elizabeth; Saulnier, Celine A.; Klin, Ami; Jones, Warren; Jaquess, David L. – Journal of Autism and Developmental Disorders, 2013
We conducted a comprehensive review and meta-analysis of research regarding feeding problems and nutrient status among children with autism spectrum disorders (ASD). The systematic search yielded 17 prospective studies involving a comparison group. Using rigorous meta-analysis techniques, we calculated the standardized mean difference (SMD) with…
Descriptors: Meta Analysis, Eating Disorders, Nutrition, Children
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Steiner, Amanda Mossman; Gengoux, Grace W.; Klin, Ami; Chawarska, Katarzyna – Journal of Autism and Developmental Disorders, 2013
Presently there is limited research to suggest efficacious interventions for infants at-risk for autism. Pivotal response treatment (PRT) has empirical support for use with preschool children with autism, but there are no reports in the literature utilizing this approach with infants. In the current study, a developmental adaptation of PRT was…
Descriptors: Autism, Infants, Fidelity, At Risk Persons
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Cicchetti, Domenic V.; Koenig, Kathy; Klin, Ami; Volkmar, Fred R.; Paul, Rhea; Sparrow, Sara – Journal of Autism and Developmental Disorders, 2011
The objectives of this report are: (a) to trace the theoretical roots of the concept clinical significance that derives from Bayesian thinking, Marginal Utility/Diminishing Returns in Economics, and the "just noticeable difference", in Psychophysics. These concepts then translated into: Effect Size (ES), strength of agreement, clinical…
Descriptors: Autism, Intelligence Tests, Statistical Significance, Effect Size
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Tsatsanis, Katherine D.; Noens, Ilse L. J.; Illmann, Cornelia L.; Pauls, David L.; Volkmar, Fred R.; Schultz, Robert T.; Klin, Ami – Journal of Autism and Developmental Disorders, 2011
The contributions of cognitive style and organization to processing and recalling a complex novel stimulus were examined by comparing the Rey Osterrieth Complex Figure (ROCF) test performance of children, adolescents, and adults with ASD to clinical controls (CC) and non-impaired controls (NC) using the "Developmental Scoring System."…
Descriptors: Cognitive Style, Autism, Scoring, Cognitive Processes
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Koenig, Kathleen; White, Susan Williams; Pachler, Maryellen; Lau, Monika; Lewis, Moira; Klin, Ami; Scahill, Lawrence – Journal of Autism and Developmental Disorders, 2010
A randomized controlled design was employed to evaluate a social skills intervention for children with pervasive developmental disorders. Aims included evaluating the acceptability of the program and gathering preliminary evidence on efficacy. Forty-four children, ages 8-11 years, were randomly assigned to treatment or wait list. Treatment…
Descriptors: Intervention, Social Behavior, Pervasive Developmental Disorders, Skill Development
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Koenig, Kathleen; De Los Reyes, Andres; Cicchetti, Domenic; Scahill, Lawrence; Klin, Ami – Journal of Autism and Developmental Disorders, 2009
A consistent result in the evaluation of group-delivered intervention to promote social reciprocity in children with PDDs is that outcome data are inconclusive. Lack of robust evidence of efficacy confounds understanding of these interventions and their value to the field. It is conceivable that the construct of impaired social reciprocity in PDD…
Descriptors: Intervention, Pervasive Developmental Disorders, Interpersonal Competence, Group Activities
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Kleinman, Jamie M.; Robins, Diana L.; Ventola, Pamela E.; Pandey, Juhi; Boorstein, Hilary C.; Esser, Emma L.; Wilson, Leandra B.; Rosenthal, Michael A.; Sutera, Saasha; Verbalis, Alyssa D.; Barton, Marianne; Hodgson, Sarah; Green, James; Dumont-Mathieu, Thyde; Volkmar, Fred; Chawarska, Katarzyna; Klin, Ami; Fein, Deborah – Journal of Autism and Developmental Disorders, 2008
Autism spectrum disorders (ASD) often go undetected in toddlers. The Modified Checklist for Autism in Toddlers (M-CHAT) was used to screen 3,793 children aged 16-30 months from low- and high-risk sources; screen positive cases were diagnostically evaluated. Re-screening was performed on 1,416 children aged 42-54 months. Time1 Positive Predictive…
Descriptors: Check Lists, Autism, Toddlers, Children
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VanBergeijk, Ernst; Klin, Ami; Volkmar, Fred – Journal of Autism and Developmental Disorders, 2008
In the 1990's a surge of children were diagnosed with autism spectrum disorders (ASDs) and are now approaching college age. Through early diagnosis and intervention many of these children are now able to consider post secondary education. However, these students will need specific interventions and supports in order to be successful. This article…
Descriptors: Pervasive Developmental Disorders, Academic Accommodations (Disabilities), College Students, Incidence
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Cicchetti, Domenic V.; Lord, Catherine; Koenig, Kathy; Klin, Ami; Volkmar, Fred R. – Journal of Autism and Developmental Disorders, 2008
The authors assessed the reliability of the Autism Diagnostic Interview (ADI-R). Seven Clinical Examiners evaluated a three and one half year old female toddler suspected of being on the Autism Spectrum. Examiners showed agreement levels of 94-96% across all items, with weighted kappa (K[subscript w]) between 0.80 and 0.88. They were in 100%…
Descriptors: Autism, Interrater Reliability, Measures (Individuals), Clinical Diagnosis
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Chawarska, Katarzyna; Paul, Rhea; Klin, Ami; Hannigen, Sarah; Dichtel, Laura E.; Volkmar, Fred – Journal of Autism and Developmental Disorders, 2007
Symptoms of Autism Spectrum Disorders (ASD) begin to manifest during the first 2 years; there is limited evidence regarding type and timing of symptom onset. We examined factors related to parental age of recognition (AOR) of early abnormalities and the association between AOR and diagnosis and levels of functioning at 2 and 4 years in 75 toddlers…
Descriptors: Toddlers, Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders)
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Zwaigenbaum, Lonnie; Thurm, Audrey; Stone, Wendy; Baranek, Grace; Bryson, Susan; Iverson, Jana; Kau, Alice; Klin, Ami; Lord, Cathy; Landa, Rebecca; Rogers, Sally; Sigman, Marian – Journal of Autism and Developmental Disorders, 2007
Detecting early signs of autism is essential for timely diagnosis and initiation of effective interventions. Several research groups have initiated prospective studies of high-risk populations including infant siblings, to systematically collect data on early signs within a longitudinal design. Despite the potential advantages of prospective…
Descriptors: Infants, Siblings, Autism, At Risk Persons
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White, Susan Williams; Scahill, Lawrence; Klin, Ami; Koenig, Kathleen; Volkmar, Fred R. – Journal of Autism and Developmental Disorders, 2007
This project was undertaken to identify child characteristics associated with educational placement and service use in high-functioning children with autism spectrum disorders. The sample of 101 (nine females) had a mean age of 12 plus or minus 3 years (mean IQ = 101.77 plus or minus 19.50). Results indicate that lower-cognitive ability and…
Descriptors: Cognitive Ability, Special Education, Communication Skills, Pervasive Developmental Disorders
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Klin, Ami; Saulnier, Celine A.; Sparrow, Sara S.; Cicchetti, Domenic V.; Volkmar, Fred R.; Lord, Catherine – Journal of Autism and Developmental Disorders, 2007
The relationship between adaptive functioning ("ability") and autism symptomatology ("disability") remains unclear, especially for higher functioning individuals with autism spectrum disorder (ASD). This study investigates "ability" and "disability" using the "Vineland" and "Autism Diagnostic Observation Schedule" (ADOS), respectively, in two…
Descriptors: Longitudinal Studies, Autism, Pervasive Developmental Disorders, Communication Disorders
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