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Direct linkFujisawa, Keiko K.; Yamagata, Shinji; Ozaki, Koken; Ando, Juko – Journal of Abnormal Child Psychology, 2012
This study investigated the association between negative parenting (NP) and conduct problems (CP) in 6-year-old twins, taking into account the severity of hyperactivity/inattention problems (HIAP). Analyses of the data from 1,677 pairs of twins and their parents revealed that the shared environmental covariance between NP and CP was moderated by…
Descriptors: Twins, Hyperactivity, Child Rearing, Genetics
Dworzynski, Katharina; Happe, Francesca; Bolton, Patrick; Ronald, Angelica – Journal of Autism and Developmental Disorders, 2009
Factor structure and relationship between core features of autism (social impairments, communication difficulties, and restricted, repetitive behaviours or interests (RRBIs)) were explored in 189 children from the Twins Early Development Study, diagnosed with autistic spectrum disorders (ASDs) using the Development and Wellbeing Assessment (DAWBA;…
Descriptors: Twins, Autism, Factor Structure, Factor Analysis
DiLalla, Lisabeth Fisher; Mullineaux, Paula Y. – Journal of School Psychology, 2008
Children's behavior problems, both internalizing and externalizing, are a function of both genetic and environmental influences. One potentially important environmental influence is the classroom environment. This study of 1941 monozygotic twin pairs examined whether children whose parents rated them as similarly high or low on a number of problem…
Descriptors: Twins, Behavior Problems, Environmental Influences, Classroom Environment
Lamarche, Veronique; Brendgen, Mara; Boivin, Michel; Vitaro, Frank; Dionne, Ginette; Perusse, Daniel – Journal of Abnormal Child Psychology, 2007
This study examined (a) the predictive link between peer victimization and children's reactive and proactive aggression, and (b) the potential moderating effect of reciprocal friends' reactive and proactive aggression in this context. The study also examined whether these potential moderating effects of friends' characteristics were stronger with…
Descriptors: Friendship, Aggression, Children, Comparative Analysis
Bartels, Meike; Boomsma, Dorret I.; Hudziak, James J.; van Beijsterveldt, Toos C. E. M.; van den Oord, Edwin J. C. G. – Psychological Methods, 2007
Genetically informative data can be used to address fundamental questions concerning the measurement of behavior in children. The authors illustrate this with longitudinal multiple-rater data on internalizing problems in twins. Valid information on the behavior of a child is obtained for behavior that multiple raters agree upon and for…
Descriptors: Twins, Behavior Problems, Genetics, Error of Measurement
Lemery-Chalfant, Kathryn; Schreiber, Jane E.; Schmidt, Nicole L.; Van Hulle, Carol A.; Essex, Marilyn J.; Goldsmith, H. H. – Journal of the American Academy of Child & Adolescent Psychiatry, 2007
Objective: To test the validity of the MacArthur Health and Behavior Questionnaire (HBQ) using receiver operating characteristic (ROC) analysis to determine optimal thresholds for the HBQ in predicting Diagnostic Interview Schedule for Children Version-IV (DISC-IV)diagnoses. The roles of child sex, level of impairment, and physical health in…
Descriptors: Puppetry, Screening Tests, Physical Health, Psychiatry
Bartels, M.; van den Oord, E. J. C. G.; Hudziak, J. J,; Rietveld, M. J. H.; van Beijsterveldt, C. E. M.; Boomsma, D. I. – Developmental Psychology, 2004
Maternal ratings on internalizing (INT) and externalizing (EXT) behaviors were collected in a large, population-based longitudinal sample. The numbers of participating twin pairs at ages 3, 7, 10, and 12 were 5,602, 5,115, 2,956, and 1,481, respectively. Stability in both behaviors was accounted for by genetic and shared environmental influences.…
Descriptors: Environmental Influences, Twins, Genetics, Behavior Patterns
Tully, Lucy A.; Arseneault, Louise; Caspi, Avshalom; Moffitt, Terrie E.; Morgan, Julia – Journal of Consulting and Clinical Psychology, 2004
The moderating effect of maternal warmth on the association between low birth weight and children's attention-deficit/hyperactivity disorder (ADHD) symptoms and low IQ was studied in 2,232 twins. Half of 5-year-old children had low birth weights, below 2,500 g. Maternal warmth, a component of expressed emotion, was coded from mothers' audiotaped…
Descriptors: Behavior Problems, Twins, Mothers, Intelligence Quotient
Twin Study on Heritability of Activity, Attention, and Impulsivity as Assessed by Objective Measures
Heiser, Philip; Heinzel-Gutenbrunner, Monika; Frey, Joachim; Smidt, Judith; Grabarkiewicz, Justyna; Friedel, Susann; Kuhnau, Wolfgang; Schmidtke, Jorg; Remschmidt, Helmut; Hebebrand, Johannes – Journal of Attention Disorders, 2006
Objective: The purpose of this study was to assess heritability of activity, attention, and impulsivity by comparing young monozygotic (MZ) twins with dizygotic (DZ) twins using objective measures. Method: The OPTAx test is an infrared motion analysis to record the movement pattern during a continuous performance test. Seventeen MZ and 12 same…
Descriptors: Conceptual Tempo, Twins, Behavior Problems, Performance Tests
