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The International Collaboration for Autism Registry Epidemiology (iCARE): Multinational Registry-Based Investigations of Autism Risk Factors and Trends
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Schendel, Diana E.; Bresnahan, Michaeline; Carter, Kim W.; Francis, Richard W.; Gissler, Mika; Grønborg, Therese K.; Gross, Raz; Gunnes, Nina; Hornig, Mady; Hultman, Christina M.; Langridge, Amanda; Lauritsen, Marlene B.; Leonard, Helen; Parner, Erik T.; Reichenberg, Abraham; Sandin, Sven; Sourander, Andre; Stoltenberg, Camilla; Suominen, Auli; Surén, Pål; Susser, Ezra – Journal of Autism and Developmental Disorders, 2013
The International Collaboration for Autism Registry Epidemiology (iCARE) is the first multinational research consortium (Australia, Denmark, Finland, Israel, Norway, Sweden, USA) to promote research in autism geographical and temporal heterogeneity, phenotype, family and life course patterns, and etiology. iCARE devised solutions to challenges in…
Descriptors: Autism, Epidemiology, International Cooperation, Consortia
The Down Syndrome Behavioural Phenotype: Taking a Developmental Approach
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Fidler, Deborah; Most, David; Philofsky, Amy – Down Syndrome Research and Practice, 2009
Individuals with Down syndrome are predisposed to show a specific behavioural phenotype, or a pattern of strengths and challenges in functioning across different domains of development. It is argued that a developmental approach to researching the Down syndrome behavioural phenotype, including an examination of the dynamic process of the unfolding…
Descriptors: Down Syndrome, Behavior Problems, Developmental Psychology, Genetics
Environmental Mutagenic Hazards
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Science, 1975
Describes screening systems for environmental mutagens, characteristics of the ideal screening system, characteristics of currently employed screening systems, correlative information required for decision making, and application of data to human populations. (GS)
Descriptors: Biology, Data Analysis, Environmental Education, Environmental Influences
Reading Skills in Early Readers: Genetic and Shared Environmental Influences
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Petrill, Stephen A.; Deater-Deckard, Kirby; Thompson, Lee Anne; DeThorne, Laura S.; Schatschneider, Christopher – Journal of Learning Disabilities, 2006
The present study combined parallel data from the Northeast-Northwest Collaborative Adoption Projects (N2CAP) and the Western Reserve Reading Project (WRRP) to examine sibling similarity and quantitative genetic model estimates for measures of reading skills in 272 school-age sibling pairs from three family types (monozygotic twins, dizygotic…
Descriptors: Environmental Influences, Cognitive Ability, Twins, Reading Skills
Heredity, Environment, & Personality: A Study of 850 Sets of Twins.
Loehlin, John C.; Nichols, Robert C. – 1976
This book reports on a study of 850 pairs of twins who were tested to determine the influence of heredity and environment on individual differences in personality, academic ability, and interests. It presents the background, research design, and procedure of the study, tabulations of the test results, and extensive analyses of the findings.…
Descriptors: Academic Ability, Data Analysis, Environmental Influences, Genetics
Uses of Sibling Data in Psychological and Educational Research.
Jensen, Arthur R. – 1979
The uses of data on siblings for educational and psychological research purposes are explained. Examples are based on empirical data. Five types of research problems, using sibling data, are explored: (1) statistical control of family background variance in psychological or educational studies which use analysis of covariance (ANCOVA) or multiple…
Descriptors: Age Differences, Analysis of Covariance, Cognitive Measurement, Correlation