publication venue for Nick Martin and the 'Boulder Workshops' 2020 Nick Martin as a Mentor - A Perspective 2020 The CODATwins Project: The Current Status and Recent Findings of COllaborative Project of Development of Anthropometrical Measures in Twins 2019 The Colorado Twin Registry: 2019 Update 2019 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 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 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