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Young, Deidra J.; Levy, Florence; Martin, Neilson C.; Hay, David A. – Child Psychiatry and Human Development, 2009
The prevalence of attention-deficit/hyperactivity disorder (ADHD) has been estimated at 3-7% in the population. Children with this disorder are often characterized by symptoms of inattention and/or impulsivity and hyperactivity, which can significantly impact on many aspects of their behaviour and performance. This study investigated the…
Descriptors: Incidence, Attention Deficit Hyperactivity Disorder, Rating Scales, Children
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Shen, Jiliang; Zhang, Na; Zhang, Caiyun; Caldarella, Paul; Richardson, Michael J.; Shatzer, Ryan H. – Educational Psychology, 2009
This study examined teachers' perceptions of classroom behaviour problems in five provinces of the People's Republic of China. Researchers surveyed 527 Chinese teachers from 27 elementary schools. Consistent with previous studies in China, teachers perceived non-attention to be the most frequent and troublesome behaviour problem. Teachers'…
Descriptors: Classroom Techniques, Behavior Problems, Foreign Countries, Elementary School Teachers
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Hartley, S. L.; Sikora, D. M.; McCoy, R. – Journal of Intellectual Disability Research, 2008
Background: Children with Autistic Disorder (AD) evidence more co-occurring maladaptive behaviours than their typically developing peers and peers with intellectual disability because of other aetiologies. The present study investigated the prevalence of Clinically Significant maladaptive behaviours during early childhood and identified at-risk…
Descriptors: Incidence, Autism, Young Children, At Risk Persons
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Kanne, Stephen M.; Abbacchi, Anna M.; Constantino, John N. – Journal of Autism and Developmental Disorders, 2009
The present study examines co-occurring psychiatric syndromes in a well-characterized sample of youths with autism spectrum disorders (ASD; n = 177) and their siblings (n = 148), reported independently by parents and teachers. In ASD, parents reported substantial comorbidity with affective (26%), anxiety (25%), attentional (25%), conduct (16%),…
Descriptors: Cues, Siblings, Autism, Psychopathology
Romano, Elisa; Baillargeon, Raymond H.; Tremblay, Richard E. – Human Resources Development Canada, 2002
Hyperactivity, impulsivity, and inattention are among the most common behaviour problems in children. The aim of this study was to estimate the prevalence of hyperactivity-impulsivity and inattention in the Canadian population of 2-11-year-old girls and boys, using data from the first National Longitudinal Survey of Children and Youth (NLSCY)…
Descriptors: Incidence, Probability, Public Policy, Health Services