Keyphrases
Twin Pair
100%
Sampling Bias
100%
School Grades
100%
Computerized Records
100%
Record Matching
100%
90th Percentile
50%
Success Rate
50%
School Age
50%
Grade Level
50%
Behavior Problems
50%
Alcoholic
50%
Alcoholism
50%
African American
50%
Parental Psychopathology
50%
Genetic Contribution
50%
Environmental Contribution
50%
Offspring Risk
50%
First Contact
50%
Birth Records
50%
African American Families
50%
Completion Time
50%
Undersampling
50%
School-based
50%
High-income
50%
Parental Ratings
50%
School Attendance
50%
Equal Ratios
50%
Minority Families
50%
Two-parent Families
50%
Oppositional Symptoms
50%
Social Sciences
School Grade
100%
Behavioral Disorder
50%
Educational Attendance
50%
Birth Record
50%
Offspring
50%
Immunology and Microbiology
Biological Product
100%
Offspring
100%
Psychology
Behavioral Disorder
100%
Offspring
100%