subject area of
- A Longitudinal Adoption Study of Substance Use Behavior in Adolescence Journal Article
- An examination of early socioeconomic status and neighborhood disadvantage as independent predictors of antisocial behavior: A longitudinal adoption study Journal Article
- Attention-deficit/hyperactivity disorder endophenotypes Journal Article
- COGNITIVE-ABILITIES OF CHILDREN AT 7 AND 12 YEARS OF AGE IN THE COLORADO-ADOPTION-PROJECT Journal Article
- COGNITIVE-ABILITY AND ACADEMIC-ACHIEVEMENT IN THE COLORADO-ADOPTION-PROJECT - A MULTIVARIATE GENETIC-ANALYSIS OF PARENT-OFFSPRING AND SIBLING DATA Journal Article
- Genetic and environmental contributions to general cognitive ability through the first 16 years of life Journal Article
- Genetic and environmental influences on age at sexual initiation in the Colorado Adoption Project Journal Article
- Genetic and environmental influences on antisocial behavior: A meta-analysis of twin and adoption studies Journal Article
- Genetic and environmental influences on substance initiation, use, and problem use in adolescents Journal Article
- Parent-offspring resemblance for reading performance at 7, 12 and 16 years of age in the Colorado Adoption Project Journal Article
- Review of twin and adoption studies of adolescent substance use Journal Article
- Stability of genetic and environmental influences on reading performance at 7, 12, and 16 years of age in the Colorado Adoption Project Journal Article
- TESTING HYPOTHESES ABOUT DIRECTION OF CAUSATION USING CROSS-SECTIONAL FAMILY DATA Journal Article
- The Colorado Adoption Project Journal Article