The heritability of general cognitive ability increases linearly from childhood to young adulthood
Haworth, C M A, Wright, M J, Luciano, M, Martin, N G, de Geus, E J C, van Beijsterveldt, C E M, Bartels, M, Posthuma, D, Boomsma, D I, Davis, O S P, Kovas, Y, Corley, R P, DeFries, J C, Hewitt, J K, Olson, R K, Rhea, S-A, Wadsworth, S J, Iacono, W G, McGue, M, Thompson, L A, Hart, S A, Petrill, S A, Lubinski, D, Plomin, R
Published in Molecular psychiatry (01.11.2010)
Published in Molecular psychiatry (01.11.2010)
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Substance use, abuse and dependence in adolescence: prevalence, symptom profiles and correlates
Young, S.E, Corley, R.P, Stallings, M.C, Rhee, S.H, Crowley, T.J, Hewitt, J.K
Published in Drug and alcohol dependence (01.12.2002)
Published in Drug and alcohol dependence (01.12.2002)
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Journal Article
Combined Linkage and Association Sib-Pair Analysis for Quantitative Traits
Fulker, D.W., Cherny, S.S., Sham, P.C., Hewitt, J.K.
Published in American journal of human genetics (1999)
Published in American journal of human genetics (1999)
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Journal Article
Power of Linkage versus Association Analysis of Quantitative Traits, by Use of Variance-Components Models, for Sibship Data
Sham, P.C., Cherny, S.S., Purcell, S., Hewitt, J.K.
Published in American journal of human genetics (01.05.2000)
Published in American journal of human genetics (01.05.2000)
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Journal Article
Conference Proceeding
Nominal association with CHRNA4 variants and nicotine dependence
Kamens, H. M., Corley, R. P., McQueen, M. B., Stallings, M. C., Hopfer, C. J., Crowley, T. J., Brown, S. A., Hewitt, J. K., Ehringer, M. A.
Published in Genes, brain and behavior (01.04.2013)
Published in Genes, brain and behavior (01.04.2013)
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Journal Article
Assortative mating for major psychiatric diagnoses in two population-based samples
Maes, H H, Neale, M C, Kendler, K S, Hewitt, J K, Silberg, J L, Foley, D L, Meyer, J M, Rutter, M, Simonoff, E, Pickles, A, Eaves, L J
Published in Psychological medicine (01.11.1998)
Published in Psychological medicine (01.11.1998)
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Genetics and Developmental Psychopathology: 2. The Main Effects of Genes and Environment on Behavioral Problems in the Virginia Twin Study of Adolescent Behavioral Development
Eaves, Lindon J., Silberg, Judy L., Meyer, Joanne M., Maes, Hermine H., Simonoff, Emily, Pickles, Andrew, Rutter, Michael, Reynolds, Chandra A., Heath, Andrew C., Truett, Kimberly R., Neale, Michael C., Erikson, Marilyn T., Loeber, Rolf, Hewitt, John K.
Published in Journal of child psychology and psychiatry (01.11.1997)
Published in Journal of child psychology and psychiatry (01.11.1997)
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Journal Article
Familial aggregation for conduct disorder symptomatology: the role of genes, marital discord and family adaptability
Meyer, J M, Rutter, M, Silberg, J L, Maes, H H, Simonoff, E, Shillady, L L, Pickles, A, Hewitt, J K, Eaves, L J
Published in Psychological medicine (01.07.2000)
Published in Psychological medicine (01.07.2000)
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Familial association between allergic disorders and depression in adult Finnish twins
Wamboldt, M Z, Hewitt, J K, Schmitz, S, Wamboldt, F S, Räsänen, M, Koskenvuo, M, Romanov, K, Varjonen, J, Kaprio, J
Published in American journal of medical genetics (03.04.2000)
Published in American journal of medical genetics (03.04.2000)
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Testing hypotheses about direction of causation using cross-sectional family data
Heath, A C, Kessler, R C, Neale, M C, Hewitt, J K, Eaves, L J, Kendler, K S
Published in Behavior genetics (01.01.1993)
Published in Behavior genetics (01.01.1993)
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Genetics and Developmental Psychopathology: 1. Phenotypic Assessment in the Virginia Twin Study of Adolescent Behavioral Development
Hewitt, John K., Rutter, Michael, Simonoff, Emily, Pickles, Andrew, Loeber, Rolf, Heath, Andrew C., Reynolds, Chandra A., Silberg, Judith L., Meyer, Joanne M., Maes, Hermine, Neale, Michael C., Erickson, Marilyn T., Kendler, Kenneth S., Truett, Kim R., Eaves, Lindon J.
Published in Journal of child psychology and psychiatry (01.11.1997)
Published in Journal of child psychology and psychiatry (01.11.1997)
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Journal Article
A twin study of drinking and smoking onset and latencies from first use to regular use
Stallings, M C, Hewitt, J K, Beresford, T, Heath, A C, Eaves, L J
Published in Behavior genetics (01.11.1999)
Published in Behavior genetics (01.11.1999)
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Journal Article
Stability and Change of Genetic and Environmental Effects on the Common Liability to Alcohol, Tobacco, and Cannabis DSM-IV Dependence Symptoms
Palmer, R. H. C., Young, S. E., Corley, R. P., Hopfer, C. J., Stallings, M. C., Hewitt, J. K.
Published in Behavior genetics (01.09.2013)
Published in Behavior genetics (01.09.2013)
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