Toward a Theory of Human Multiple Birthing: Sociobiology and r/K Reproductive Strategies

Sociobiology: The New Synthesis.

1976 • 6,498 citations

Handbook of the Psychology of Aging

2016 • 3,477 citations

On r- and K-Selection

1970 • 3,457 citations

Sociobiology: The New Synthesis.

1976 • 2,910 citations

The Extended Phenotype

1982 • 2,559 citations

Handbook of the Psychology of Aging

1978 • 1,980 citations

The Origin of Man

1981 • 1,378 citations

An Adoption Study of Human Obesity

1986 • 1,308 citations

Sex, Evolution and Behavior.

1980 • 1,204 citations

Familial Studies of Intelligence: A Review

1981 • 840 citations

The biology of twinning in man

1970 • 571 citations

Sex, evolution and behavior

1980 • 503 citations

Genetic Influences in Criminal Convictions: Evidence from an Adoption Cohort

1984 • 462 citations

The Louisville Twin Study: Developmental Synchronies in Behavior

1983 • 435 citations

Altruism and aggression: The heritability of individual differences.

1986 • 430 citations

Altruism and aggression: The heritability of individual differences.

1986 • 396 citations

Differential K theory: The sociobiology of individual and group differences

1985 • 386 citations

Sociobiology and Behavior.

1978 • 288 citations

Lucy: The Beginnings of Humankind

1982 • 273 citations

Annals of Theoretical Psychology

1986 • 257 citations

Altruism, Socialization and Society.

1982 • 227 citations

Volunteer bias in twin research: The rule of two‐thirds

1978 • 220 citations

Human multiple reproduction

1975 • 218 citations

Altruism, socialization, and society

1981 • 175 citations

The Factors That Influence Twinning Rates

1981 • 117 citations

Familial incidence of twinning

1983 • 113 citations

Race differences in sexual behavior: Testing an evolutionary hypothesis

1987 • 110 citations

Schizophrenia in the National Academy of Sciences-National Research Council Twin Registry: a 16-year update

1983 • 110 citations

Sociobiology and behavior

1983 • 107 citations

Genetical, Environmental and Personality Factors Influencing the Age of First Sexual Intercourse in Twins

1977 • 96 citations

Bias in the estimation of heritability from truncated samples of twins

1982 • 85 citations

THE EFFECT OF PARENTAL AGE, PARITY AND DURATION OF MARRIAGE ON THE TWINNING RATE

1959 • 84 citations

Serum gonadotropin levels in Japanese women.

1975 • 69 citations

Differential K theory and race differences in E and N

1985 • 44 citations

Differential Enrollment in Twin Registries: Its Effect on Prevalence and Concordance Rates and Estimates of Genetic Parameters

1985 • 41 citations

TWINNING AND LEGITIMACY

2009 • 39 citations

Ease of conception in mothers of twins

1971 • 39 citations

Individuality and Determinism

1984 • 36 citations

Gonadotropin Levels in Mothers Who Have Had Two Sets of DZ Twins

1984 • 32 citations

Multiple births in Australia, 1944–63

1969 • 31 citations

Familial Factors in Mortality with Control of Epidemiological Covariables. Swedish Twins Born 1886-1925

1984 • 20 citations

Coitus-Induced Ovulation and Its Implications for Estimates of Some Reproductive Parameters

1990 • 20 citations

A Study of the Influence of Ovulation Stimulants and Oral Contraception on Twin Births in England

1985 • 19 citations

Menopause in mothers of multiple births and mothers of singletons only

1978 • 11 citations

Annals of Theoretical Psychology

1984 • 10 citations

Heredity and Infectious Diseases: A Twin Study

1984 • 9 citations

Health Characteristics of Mothers of Twins

1984 • 6 citations

Presidential Address: The Aberdeen Contribution to Twinning

1984 • 5 citations