publication venue for
- Multi-Trait Analysis of GWAS and Biological Insights Into Cognition: A Response to Hill (2018) 2018
- Education in Twins and Their Parents Across Birth Cohorts Over 100 years: An Individual-Level Pooled Analysis of 42-Twin Cohorts 2017
- Genetic Etiologies of Comorbidity and Stability for Reading Difficulties and ADHD: A Replication Study 2016
- A Longitudinal Adoption Study of Substance Use Behavior in Adolescence 2016
- The Colorado Longitudinal Twin Study of Reading Difficulties and ADHD: Etiologies of Comorbidity and Stability 2015
- Zygosity Differences in Height and Body Mass Index of Twins From Infancy to Old Age: A Study of the CODATwins Project 2015
- The CODATwins Project: The Cohort Description of Collaborative Project of Development of Anthropometrical Measures in Twins to Study Macro-Environmental Variation in Genetic and Environmental Effects on Anthropometric Traits 2015
- Adolescent Peer Choice and Cigarette Smoking: Evidence of Active Gene-Environment Correlation? 2013
- Colorado Twin Registry: An Update 2013
- The Colorado Adoption Project 2013
- Multiple Regression Analysis of Reading Performance Data from Twin Pairs with Reading Difficulties and Nontwin Siblings: The Augmented Model 2012
- Multiple regression analysis of reading performance data from twin pairs with reading difficulties and nontwin siblings: The augmented model 2012
- Does Classroom Separation Affect Twins' Reading Ability in the Early Years of School? 2009
- Flexible Mx Specification of Various Extended Twin Kinship Designs 2009
- Modeling Extended Twin Family Data I: Description of the Cascade Model 2009
- Modeling Extended Twin Family Data II: Power Associated With Different Family Structures 2009
- Males Do Not Reduce the Fitness of Their Female Co-Twins in Contemporary Samples 2008
- Sex Differences in the Heritability of Resilience 2008
- Examining the heritability of a laboratory-based smoking endophenotype: Initial results from an experimental twin study 2007
- Etiology of the stability of reading difficulties: The longitudinal twin study of reading disabilities 2007
- Early childhood temperament and the covariation between internalizing and externalizing behavior in school-aged children 2007
- Colorado Twin Registry 2006
- Examination of the causes of covariation between conduct disorder symptoms and vulnerability to drug dependence 2006
- Genetic etiology of reading difficulties in boys and girls 2005
- Estimating the Extent of Parameter Bias in the Classical Twin Design: A Comparison of Parameter Estimates From Extended Twin-Family and Classical Twin Designs 2005
- Estimating the extent of parameter bias in the classical twin design: a comparison of parameter estimates from extended twin-family and classical twin designs. 2005
- Quantifying and Addressing Parameter Indeterminacy in the Classical Twin Design 2005
- Quantifying and addressing parameter indeterminacy in the classical twin design. 2005
- Genetic influences on vulnerability to, and protective factors for, adolescent drinking 2004
- Investigating the genetic and environmental structure of Cloninger's personality dimensions in adolescence 2004
- Causal models of reading disability: A twin study 2004
- Genetic and environmental analysis of behavioral risk factors for adolescent drug use in a community twin sample 2003
- The androgen receptor gene and psychological traits: Are results consistent in Sweden and Australia? 2003
- An exploration of the genetic and environmental etiology of heart rate in infancy and middle childhood. 2000
- Self-reported reading problems in parents of twins with reading difficulties. 2000
- Sex differences and non-additivity in the effects of genes on personality 1998