subject area of

• A Family Based Association Study of DRD4, DAT1, and 5HTT and Continuous Traits of Attention-Deficit Hyperactivity Disorder  Journal Article
• A Longitudinal Adoption Study of Substance Use Behavior in Adolescence  Journal Article
• A genome-wide scan for loci influencing adolescent cannabis dependence symptoms: Evidence for linkage on chromosomes 3 and 9  Journal Article
• A twin study of drinking and smoking onset and latencies from first use to regular use  Journal Article
• ANALYZING THE RELATIONSHIP BETWEEN AGE AT ONSET AND RISK TO RELATIVES  Journal Article
• ANALYZING TWIN RESEMBLANCE IN MULTISYMPTOM DATA - GENETIC APPLICATIONS OF A LATENT CLASS MODEL FOR SYMPTOMS OF CONDUCT DISORDER IN JUVENILE BOYS  Journal Article
• Age of initiation and transition times to tobacco dependence: Early onset and rapid escalated use increase risk for dependence severity  Journal Article
• An Item Response Theory Analysis of DSM-IV Conduct Disorder  Journal Article
• Association of different adverse life events with distinct patterns of depressive symptoms  Journal Article
• CARDIAC AND METABOLIC-ACTIVITY IN MILD HYPERTENSIVE AND NORMOTENSIVE SUBJECTS  Journal Article
• CHILDHOOD BEHAVIOR PROBLEMS - A COMPARISON OF TWIN AND NONTWIN SAMPLES  Journal Article
• Colorado longitudinal twin study of reading disability  Journal Article
• Common and drug-specific genetic influences on subjective effects to alcohol, tobacco and marijuana use  Journal Article
• Common and specific genetic influences on aggressive and nonaggressive conduct disorder domains  Journal Article
• Comorbidity Between Reading Disability and Math Disability: Concurrent Psychopathology, Functional Impairment, and Neuropsychological Functioning  Journal Article
• DSM-IV defined conduct disorder and oppositional defiant disorder: an investigation of shared liability in female twins  Journal Article
• DeFries-Fulker Analysis of Longitudinal Reading Performance Data from Twin Pairs Ascertained for Reading Difficulties and from Their Nontwin Siblings  Journal Article
• Differential Genetic Etiology of Reading Difficulties as a Function of IQ: An Update  Journal Article
• Differential genetic etiology of reading component processes as a function of IQ  Journal Article
• Does the Environment Have an Enduring Effect on ADHD? A Longitudinal Study of Monozygotic Twin Differences in Children  Journal Article
• ENVIRONMENTAL AND GENETIC INFLUENCES ON ALCOHOL-USE IN A VOLUNTEER SAMPLE OF OLDER TWINS  Journal Article
• EVIDENCE FOR INDEPENDENT GENETIC INFLUENCES ON OBESITY IN MIDDLE-AGE  Journal Article
• Etiology of inattention and hyperactivity/impulsivity in a community sample of twins with learning difficulties  Journal Article
• Etiology of reading difficulties and rapid naming: The Colorado twin study of reading disability  Journal Article
• Etiology of the comorbidity between RD and ADHD: Exploration of the non-random mating hypothesis  Journal Article
• Etiology of the stability of reading difficulties: The longitudinal twin study of reading disabilities  Journal Article
• Evidence for linkage and association with reading disability, on 6p21.3-22  Journal Article
• Evidence for shared genetic risk between ADHD symptoms and reduced mathematics ability: a twin study  Journal Article
• Examination of the causes of covariation between conduct disorder symptoms and vulnerability to drug dependence  Journal Article
• Examining associations between disordered eating and serotonin transporter gene polymorphisms  Journal Article
• Exploring How Symptoms of Attention-Deficit/Hyperactivity Disorder Are Related to Reading and Mathematics Performance: General Genes, General Environments  Journal Article
• Factor structure and concurrent validity of the Drug Use Screening Inventory in a community adolescent sample  Journal Article
• Familial risk and ADHD-specific neural activity revealed by case-control, discordant twin pair design.  Journal Article
• GENDER RATIOS AMONG READING-DISABLED CHILDREN AND THEIR SIBLINGS AS A FUNCTION OF PARENTAL IMPAIRMENT  Journal Article
• GENETIC AND ENVIRONMENTAL-INFLUENCES ON LIFETIME ALCOHOL-RELATED PROBLEMS IN A VOLUNTEER SAMPLE OF OLDER TWINS  Journal Article
• GENETICS OF TYPE-A BEHAVIOR IN 2 EUROPEAN COUNTRIES - EVIDENCE FOR SIBLING INTERACTION  Journal Article
• Gender Ratios for Reading Difficulties  Journal Article
• Genetic Etiologies of Comorbidity and Stability for Reading Difficulties and ADHD: A Replication Study  Journal Article
• Genetic Influences on Pubertal Development and Links to Behavior Problems  Journal Article
• Genetic and Environmental Variation in Continuous Phenotypes in the ABCD Study®  Journal Article
• Genetic and environmental analysis of behavioral risk factors for adolescent drug use in a community twin sample  Journal Article
• Genetic and environmental influences on child reports of manifest anxiety and symptoms of separation anxiety and overanxious disorders: A community-based twin study  Journal Article
• Genetic and environmental influences on orthographic and phonological skills in children with reading disabilities  Journal Article
• Genetic and environmental influences on substance initiation, use, and problem use in adolescents  Journal Article
• Genetics and developmental psychopathology .1. Phenotypic assessment in the Virginia twin study of adolescent behavioral development  Journal Article
• Genetics and developmental psychopathology .2. The main effects of genes and environment on behavioral problems in the Virginia twin study of adolescent behavioral development  Journal Article
• Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes  Journal Article
• Independent genome-wide scans identify a chromosome 18 quantitative-trait locus influencing dyslexia  Journal Article
• Individual Differences in Childhood Sleep Problems Predict Later Cognitive Executive Control  Journal Article
• LIPOPROTEIN AND OXYGEN-TRANSPORT ALTERATIONS IN PASSIVE SMOKING PREADOLESCENT CHILDREN - THE MCV TWIN STUDY  Journal Article
• Longitudinal Heritability of Childhood Aggression  Journal Article
• MULTIPLE RATERS OF DISRUPTIVE CHILD-BEHAVIOR - USING A GENETIC STRATEGY TO EXAMINE SHARED VIEWS AND BIAS  Journal Article
• Modeling rater disagreement for ADHD: Are parents or teachers biased?  Journal Article
• Onset of regular cannabis use and young adult insomnia: an analysis of shared genetic liability  Journal Article
• Perceived peer delinquency and the genetic predisposition for substance dependence vulnerability  Journal Article
• Personality Dimensions as Common and Broadband-Specific Features for Internalizing and Externalizing Disorders  Journal Article
• Phenotypic and genetic factors in motives for smoking  Journal Article
• Reading disability and chromosome 6p21.3: Evaluation of MOG as a candidate gene  Journal Article
• Reading disability: Evidence for a genetic etiology  Journal Article
• SURVIVAL MODELS FOR DEVELOPMENTAL GENETIC DATA - AGE-OF-ONSET OF PUBERTY AND ANTISOCIAL-BEHAVIOR IN TWINS  Journal Article
• Self-reported reading problems in parents of twins with reading difficulties.  Journal Article
• Sex differences in ADHD symptom severity  Journal Article
• Sleep Reactivity and Insomnia: Genetic and Environmental Influences  Journal Article
• THE APPLICATION OF STRUCTURAL EQUATION MODELING TO MATERNAL RATINGS OF TWINS BEHAVIORAL AND EMOTIONAL-PROBLEMS  Journal Article
• THE EXTERNAL VALIDITY OF AGE-DISCREPANCY VERSUS IQ-DISCREPANCY DEFINITIONS OF READING-DISABILITY - LESSONS FROM A TWIN STUDY  Journal Article
• THE STRUCTURE OF SCHIZOTYPY - A PILOT MULTITRAIT TWIN STUDY  Journal Article
• Test of alternative hypotheses explaining the comorbidity between attention-deficit/hyperactivity disorder and conduct disorder  Journal Article
• Testing for neuropsychological endophenotypes in siblings discordant for attention-deficit/hyperactivity disorder  Journal Article
• The Colorado Adoption Project  Journal Article
• The Colorado Longitudinal Twin Study of Reading Difficulties and ADHD: Etiologies of Comorbidity and Stability  Journal Article
• The Moderating Effect of Religiosity on the Genetic Variance of Problem Alcohol Use  Journal Article
• The SWAN Captures Variance at the Negative and Positive Ends of the ADHD Symptom Dimension  Journal Article
• The Speed of Progression to Tobacco and Alcohol Dependence: A Twin Study  Journal Article
• The Virginia Twin Study of Adolescent behavioral development - Influences of age, sex, and impairment on rates of disorder  Journal Article
• The genetics of children's oral reading performance  Journal Article
• The relation between sluggish cognitive tempo and DSM-IV ADHD  Journal Article
• Twin study of the etiology of comorbidity between reading disability and attention-deficit/hyperactivity disorder  Journal Article
• Varieties of developmental reading disorder: Genetic and environmental influences  Journal Article