Parental Ratings of Behaviour Problems: A Twin and General Population Comparison

Manual for the Child: Behavior Checklist and Revised Child Behavior Profile

1983 • 4,225 citations

Integrative Guide for the 1991 CBCL/4-18, Ysr, and Trf Profiles

1991 • 2,487 citations

The Diagnosis of Twin Zygosity

1966 • 649 citations

A Twin Study of Hyperactivity—II. The Aetiological Role of Genes, Family Relationships and Perinatal Adversity

1989 • 370 citations

Very low birth weight children: Behavior problems and school difficulty in a national sample

1990 • 294 citations

Predicting zygosity in Norwegian twin pairs born 1915-1960

2008 • 250 citations

Twin Studies of Psychiatric Illness

1993 • 219 citations

Linguistic environment of 1- to 2-year-old twins.

1986 • 204 citations

Annotation: Growing up as a Twin: Twin‐Singleton Differences in Psychological Development

1991 • 191 citations

Biological risk factors for psychosocial disorders

1991 • 166 citations

Transactive discussions with peers and adults.

1986 • 162 citations

Bias resulting from missing information: some epidemiological findings.

1977 • 132 citations

PERINATAL COMPLICATIONS PREDICT VIOLENT OFFENDING

1991 • 128 citations

A Twin‐Singleton Comparison of Problem Behaviour in 2‐3‐Year‐Olds

1995 • 126 citations

Separating Identical From Fraternal Twins

1973 • 123 citations

Are Perinatal Complications Relevant to the Manifestation of ADD? Issues of Comorbidity and Familiality

1993 • 117 citations

Psychopathology and adaptive functioning among extremely low birthweight children at eight years of age

1993 • 114 citations

Social Competence and Behavior Problems in Premature Children at School Age

1990 • 109 citations

Very Low Birthweight: Behavioral Sequelae at Nine Years of Age

1988 • 103 citations

Speech and Language Development in Preschool Twins

1987 • 100 citations

BEHAVIOUR PROBLEMS OF VERY LOWBIRTHWEIGHT CHILDREN

1993 • 83 citations

Early Influences on the School Social Adjustment of Twins

1987 • 78 citations

Evaluation of Zygosity Diagnosis in Twin Pairs Below Age Seven by Means of a Mailed Questionnaire

1989 • 64 citations

Pre‐ and Perinatal Factors and the Risk of Subsequent Referral for Hyperactivity

1992 • 41 citations

Mother-Twin Interaction During Early Childhood

1988 • 40 citations

Childhood Behavior Problems: A Comparison of Twin and Non-twin Samples

1992 • 36 citations

A Comparison of Twins and Singletons with Child Psychiatric Disorders: an Item Sheet Study

1992 • 33 citations

Twin-singleton differences in verbal ability: Where do they stem from?

1987 • 29 citations

Pregnancy and Birth Complications in Antisocial Adolescents and Their Siblings

1986 • 23 citations

The Fate of “Small Twins”: A Four-year Follow-up Study of Low Birthweight and Prematurely Born Twins

1992 • 22 citations

PSYCHIC VULNERABILITY AS A SEQUEL TO PERINATAL MORBIDITY: A longitudinal twin study with special reference to psychiatric morbidity and inter‐twin dependency

1988 • 4 citations