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Planning Skills in Autism Spectrum Disorder across the Lifespan: A Meta-Analysis and Meta-Regression
Direct linkOlde Dubbelink, Linda M. E.; Geurts, Hilde M. – Journal of Autism and Developmental Disorders, 2017
Individuals with an autism spectrum disorder (ASD) are thought to encounter planning difficulties, but experimental research regarding the mastery of planning in ASD is inconsistent. By means of a meta-analysis of 50 planning studies with a combined sample size of 1755 individuals with and 1642 without ASD, we aim to determine whether planning…
Descriptors: Autism, Pervasive Developmental Disorders, Planning, Meta Analysis
Hogan-Brown, Abigail L.; Losh, Molly; Martin, Gary E.; Mueffelmann, Deborah J. – American Journal on Intellectual and Developmental Disabilities, 2013
Whereas pragmatic language difficulties are characteristic of both autism and Fragile X syndrome, it is unclear whether such deficits are qualitatively similar or whether certain skills are differentially affected. This study compared narrative competence in boys with autism, Fragile X syndrome, Down syndrome, and typical development. Results…
Descriptors: Males, Story Telling, Autism, Pervasive Developmental Disorders
Cheong, Janice M. Y.; Walker, Zachary M.; Rosenblatt, Kara – International Journal of Disability, Development and Education, 2017
Mathematics is an important aspect of daily life. Basic numeracy skills are needed to accomplish everyday tasks. However, research regarding the relationship between cognitive ability, mental age, and basic numeracy skills for children with intellectual disability (ID) is scarce. This research study investigated the correlation between…
Descriptors: Foreign Countries, Numeracy, Mathematics Skills, Elementary School Students
Schuchardt, Kirsten; Maehler, Claudia; Hasselhorn, Marcus – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Recent studies indicate that children with intellectual disabilities have functional limitations primarily in the phonological loop of working memory (Baddeley, 1986). These findings are indicative of a specific structural deficit. Building on this research, the present study examines whether it is possible to identify specific phonological…
Descriptors: Control Groups, Mental Age, Mental Retardation, Short Term Memory
Schuchardt, K.; Gebhardt, M.; Maehler, C. – Journal of Intellectual Disability Research, 2010
Background: In recent years, there has been increased research interest in the functioning of working memory in people with intellectual disabilities. Although studies have repeatedly found these individuals to have weak working memory skills, few investigations have distinguished between different degrees of intellectual disability. This study…
Descriptors: Learning Problems, Mental Age, Age, Investigations
Funazaki, Yasuhiro; Oi, Manabu – Child Language Teaching and Therapy, 2013
This study aimed to clarify factors related to difficulties in responding to "yes/no" questions (Y/N-Qs) among 52 children with autism spectrum disorder (ASD), 41 boys and 11 girls aged between 3:5-16:0 years. Participants completed the Tanaka-Binet Intelligence Scale V, the Picture Vocabulary Test: Revised (PVT-R), and the Pervasive…
Descriptors: Autism, Pervasive Developmental Disorders, Responses, Communication Problems
Peters-Scheffer, Nienke; Didden, Robert; Korzilius, Hubert – Research in Autism Spectrum Disorders, 2012
To determine maternal stress and child variables predicting maternal stress, 104 mothers of children with autism spectrum disorder (ASD) and intellectual disability (ID) completed the Dutch version of the Parental Stress Index (PSI; De Brock, Vermulst, Gerris, & Abidin, 1992) every six months over a period of two years. The level of maternal…
Descriptors: Mothers, Mental Retardation, Autism, Child Behavior
Loveland, Katherine A.; Bachevalier, Jocelyne; Pearson, Deborah A.; Lane, David M. – Neuropsychologia, 2008
We used neuropsychological tasks to investigate integrity of brain circuits linking orbitofrontal cortex and amygdala (orbitofrontal-amygdala), and dorsolateral prefrontal cortex and hippocampus (dorsolateral prefrontal-hippocampus), in 138 individuals aged 7-18 years, with and without autism. We predicted that performance on…
Descriptors: Autism, Brain, Neurological Impairments, Brain Hemisphere Functions
Dahlgren, Svenolof; Sandberg, Annika Dahlgren – Autism: The International Journal of Research and Practice, 2008
Referential communication was studied in children with autism spectrum disorder (ASD) including children with autism and Asperger syndrome. The aim was to study alternative explanations for the children's communicative problems in such situations. Factors studied were theory of mind, IQ, verbal ability and memory. The main results demonstrated…
Descriptors: Mental Age, Autism, Asperger Syndrome, Intelligence Quotient
Peer reviewedLempers, J.; And Others – Merrill-Palmer Quarterly, 1987
Compares gifted preschool boys and girls with both a CA (Chronological Age)-matched group and an MA (Mental Age)-matched group on their performance on a spatial projective task, a cognitive perspective-taking task, and an affective perspective-taking task. The data seem to support the hypothesis that psychometric brightness implies cognitive…
Descriptors: Children, Chronological Age, Intelligence Quotient, Mental Age
Glass, Gene V. – J Educ Psychol, 1969
Reprints from: Gene V. Glass, Laboratory of Educational Research, University of Colorado, Boulder, Colorado 80302.
Descriptors: Age, Hypothesis Testing, Intelligence Quotient, Learning
Rohwer, William D.; Jensen, Arthur R. – J Educ Psychol, 1969
Reprints from: Arthur R. Jensen, School of Education, University of California, Berkeley, California 94720.
Descriptors: Age, Hypothesis Testing, Intelligence Quotient, Learning
Lewis, Pamela; Abbeduto, L.; Murphy, M.; Richmond, E.; Giles, N.; Bruno, L.; Schroeder, S. – Journal of Intellectual Disability Research, 2006
Background: It is not known whether those with co-morbid fragile X syndrome (FXS) and autism represent a distinct subtype of FXS; whether the especially severe cognitive delays seen in studies of young children with co-morbid FXS and autism compared with those with only FXS continue into adolescence and young adulthood; and whether autism in those…
Descriptors: Autism, Intelligence Quotient, Young Adults, Adolescents
Peer reviewedWeisz, John R.; Achenbach, Thomas M. – Developmental Psychology, 1975
Discusses the respective roles of rate of learning and level of cognitive development in determining intellectual performance in 156 normal and retarded children matched for mental age. (Author/LLK)
Descriptors: Cognitive Development, Elementary Education, Feedback, Handicapped Children
Performance of Young People with Down Syndrome on the Leiter-R and British Picture Vocabulary Scales
Glenn, S.; Cunningham, C. – Journal of Intellectual Disability Research, 2005
The British picture vocabulary scales (BPVS-II) and the Leiter international performance scales (Leiter-R), both restandardised in 1997, are often used in experimental studies to match individuals with intellectual impairment. Both provide a brief measure of mental age, and cover a wide ability range using a simple format. The BPVS-II assesses…
Descriptors: Young Adults, Nonverbal Ability, Intelligence Quotient, Mental Age
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