Investigates the influence of breast-feeding duration on the increase in weight of 365 children from birth to six months in the agro-industrial community of Pradopolis, Brazil. (RH)

Adolescents with varying combinations of pubertal delay and growth retardation were given the Offer Self-Image Questionnaire. Delay in sexual maturation by itself had no deleterious effect on self-image but growth retardation did. (Author/GK)

Eighth graders from five Jerusalem schools participated in physical ability intervention program which involved periodic and progressive increase of physical effort of students in physical education classes. Test group improved running time and had better sport motivation than did control group. Found gender differences and influence of sexual…

Longitudinal data from a study of child development in Guatemala City were used to describe the influence of socioeconomic status and sex on physical and cognitive growth status. The correlation between growth status variables was also analyzed. (Author/RH)

Between the second and fifth years of their secondary schooling, British students' attitudes toward school science became more negative. This applied to both boys and girls, but it was more marked in the case of the girls. Early maturing girls showed significantly more negative attitudes to school science. (Author/RM)

This report contains national estimates based on findings from the Health Examination Survey in 1963-65 on height and weight measurements of children 6- to 11-years-old. A nationwide probability sample of 7,119 children was selected to represent the noninstitutionalized children (about 24 million) in this age group. Height was obtained in stocking…

Investigated the role of mothers' expectancies in shaping their child's perceived physical competence. Structural equation modeling revealed that mothers' perceptions of their child's physical competence predicted their child's own perceived physical competence 1 year later, independent of the child's previously demonstrated physical ability and…

This study compared the body mass index (BMI) of 118 children with infantile autism with corresponding BMI percentiles in age-and sex-matched reference populations. The BMI distribution of the male children was significantly lower than that of the age-matched reference population. BMI was not associated with intelligence or socioeconomic status.…

Interviews regarding physical and sexual development were conducted with 838 children ages five through 15 in Australia, England, North America, and Sweden. Children identified the people whom they asked sex-related questions and indicated their major sources of information. Mothers, school, and the media were the most frequently cited sources.…

From 1964-71, 323 pairs of twins and 740 age-matched controls born in 1954-55, were investigated. Compared to schoolchildren in 1880 and 1940 the children in the present study were taller, reached maturity earlier and passed through puberty faster. No differences between socioeconomic strata defined by father's occupation and family income were…

Compared the competence and self-esteem of 136 Australian primary school-aged children from different single-parent residency arrangements to those of a matched sample of two-parent children. Found that overall, single-parent children were not significantly different from two-parent children in competence levels and self-esteem. Found subtle…

This book reports some of the results of an extensive study of the physical, cognitive, language, social, and emotional development of Malaysian children. Chapter 1 of the book describes the demographics of the sample. Subjects were 3,099 preschool children in the state of Selangor and the federal district of Kuala Lumpur, Malaysia. Data is…

Measured physical and cognitive development of 7- to 10-year-old Brazilian children in 3 social groups. Domestic servants' children were taller and heavier than children in slums, and shorter than middle-class children. Domestic servants' sons scored similar to slum-dwelling boys on cognitive measures. (BC)

Data were collected between 1965 and 1971 concerning the physical status and school achievement of a nationally representative sample of Swedish pupils comprised of 360 girls and 380 boys. Pupils were followed from grade 3 through grade 9 of compulsory school. For boys, similar data were collected in connection with military enrollment. Main…

An abundance of research relative to physical fitness and, more generally, physical education of school children, has surfaced during the past few years. Negative aspects of health and physical fitness are increasing year by year, and further evidence suggests that academic performance is negatively affected by low levels of fitness. A survey was…