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Family Size and Birth Order Correlates of Intellectual, Psychosocial, and Physical Growth.
Peer reviewed Peer reviewed
Mednick, Birgitte R.; And Others – Merrill-Palmer Quarterly, 1985
Investigates relationships between family structure variables and 17 measures describing children's intellectual, psychosocial, and physical growth. Subjects were a 10 percent random sample of a Danish cohort consisting of children born in a Copenhagen hospital between September 1959 and December 1961; 857 subjects were followed to age 19.…
Descriptors: Birth Order, Children, Family Size, Intellectual Development
The Confluence Model: Parameter Estimation for Six Divergent Data Sets on Family Factors and Intelligence.
Peer reviewed Peer reviewed
Zajonc, R. B.; Bargh, John – Intelligence, 1980
Theoretical predictions, based on the confluence model, were made for data from six national surveys of intellectual performance, each relating intellectual performance scores to family configuration variables. The confluence model was capable of accurate prediction in all cases when three parameters were estimated. (Author/RD)
Descriptors: Birth Order, Family Characteristics, Foreign Countries, Intellectual Development
Birth Order and Intellectual Development among Zimbabwean Children.
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Wilson, David; And Others – Journal of Social Psychology, 1990
Discusses the research debate over the question whether intelligence diminishes as a function of birth order. Presents a study of Zimbabwean children confirming the general downward trend of intelligence as a function of birth order. Addresses the influence of family size. (DB)
Descriptors: Analysis of Variance, Birth Order, Children, Family Size
Family Size, Birth Order, Socioeconomic Status, Ethnicity, Parent-Child Relationship, and Preschool Children's Intellectual Development.
Peer reviewed Peer reviewed
Liang, Shu; Sugawara, Alan I. – Early Child Development and Care, 1996
Examined the intellectual development of 74 preschool children for contributions of family size, birth order, socioeconomic status, ethnicity, and parent-child relationships. Found that socioeconomic status and warmth of the father-child relationship made significant, positive contributions to children's intellectual development. Found support for…
Descriptors: Birth Order, Ethnicity, Family Size, Fathers
Individual Differences in Intelligence: A Reappraisal of the Confluence Model.
Peer reviewed Peer reviewed
Galbraith, Richard C. – Intelligence, 1983
Support for the confluence model of intellectual development has come from analyses of family size-birth order means of large aggregate data sets. Analyses of individual scores do not substantiate the confluence model, as explained variance is markedly reduced. The study of family interaction variables utilizing longitudinal data is recommended.…
Descriptors: Birth Order, Environmental Influences, Family Influence, Family Size
An Empirical Investigation Into the Intellectual, Physical, Psychological, and Social Consequences of Being Reared an Only Child. Final Report.
Doby, John T.; And Others – 1980
Declining family size plus the widespread belief that only children experience adjustment difficulties provided the impetus for this investigation comparing the characteristics of only children with children raised in multiple-sibling families. Results indicated that being reared as an only child actually provided a slight developmental advantage…
Descriptors: Adolescents, Birth Order, Blacks, Children
What Research Shows About Birth Order, Personality, and IQ.
Yahraes, Herbert – 1978
This brief report summarizes the findings and conclusions of studies concerning the relation between birth order and various aspects of personality and intellectual development. Major topics discussed are the relation between birth order of the child and: (1) the effects of sex and spacing between siblings on personality characteristics of the…
Descriptors: Anxiety, Birth Order, Conformity, Family Characteristics
Family Configuration Effects and the Decline in College Admissions Test Scores: A Review of the Zajonc Hypothesis.
Breland, Hunter M. – 1977
The hypothesis that the Scholastic Aptitude Test (SAT) score decline is a result of changing American family sizes and configurations is explored. This possible explanation of declining SAT scores had been offered by Robert B. Zajonc in an article discussing the relation between family configuration and cognitive development. Since a number of…
Descriptors: Academic Achievement, Birth Order, Cognitive Development, College Bound Students