Intelligence, Physique, and Family Size
نویسندگان
چکیده
منابع مشابه
Intelligence, birth order, and family size.
The analysis of the National Child Development Study in the United Kingdom (n = 17,419) replicates some earlier findings and shows that genuine within-family data are not necessary to make the apparent birth-order effect on intelligence disappear. Birth order is not associated with intelligence in between-family data once the number of siblings is statistically controlled. The analyses support ...
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Social life is one of the most critical factors of the evolution of the behavior of non-human primates and humans. Several factors, such as an increase in brain size, adaptive modules, and grooming, are related to the complexities of social groups. Although some scientists have mentioned foraging as a rival hypothesis for the evolution of behavior, in this research, we tried to investigate the ...
متن کاملPhysique
matter. Director-General Taylor's figures do not indicate that within the last ten years any noteworthy evidence of physical decadence has taken place in recruits except as regards their teeth. This may mean a sign of physical degeneracy or an outcome of more care and strictness in examining and appraising the condition of the teeth. It is argued that sanitary laws and reforms have caused the s...
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Periodically, fears are voiced that the intelligence level of the u.s. population is falling. Historically, this fear has been joined to the belief that fertility is inversely related to intelligence. Evidence for that belief is sparse, and may be an artifact of the failure of researchers to consider completed families. An inverse correlation between measures of intelligence .and number of chil...
متن کاملBrain size, head size, and intelligence quotient in monozygotic twins.
Many studies of monozygotic (MZ) twins have revealed evidence of genetic influences on intellectual functions and their derangement in certain neurologic and psychiatric diseases afflicting the forebrain. Relatively little is known about genetic influences on the size and shape of the human forebrain and its gross morphologic subdivisions. Using MRI and quantitative image analysis techniques, w...
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ژورنال
عنوان ژورنال: Journal of Epidemiology & Community Health
سال: 1962
ISSN: 0143-005X
DOI: 10.1136/jech.16.4.165