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Archives of General Psychiatry, 1961
The connection between birth order and the incidence of schizophrenia is directly relevant to the problem of the etiology of the disease. 1,11 The absence of any clearly established relationship between the two has been cited as support for the belief that environmental factors play at most a relatively minor role in the disease process.
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The connection between birth order and the incidence of schizophrenia is directly relevant to the problem of the etiology of the disease. 1,11 The absence of any clearly established relationship between the two has been cited as support for the belief that environmental factors play at most a relatively minor role in the disease process.
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Psychological Reports, 1990
The present study was concerned with the relationship between narcissism and birth order. Undergraduate students (297 men and 349 women) completed the Narcissistic Personality Inventory and a family information questionnaire. No statistically significant evidence was found for an association between narcissism and birth order. Differences, however, on
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The present study was concerned with the relationship between narcissism and birth order. Undergraduate students (297 men and 349 women) completed the Narcissistic Personality Inventory and a family information questionnaire. No statistically significant evidence was found for an association between narcissism and birth order. Differences, however, on
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British Journal of Psychiatry, 1966
Characteristics which are wholly genetically determined are distributed at random among all the members of a sibship. Dependence of the distribution on birth rank (i.e. maternal parity at the birth of the subjects) or on position within the sibship provides presumptive evidence of non-genetic causes and may give some indication of their nature (McKeown
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Characteristics which are wholly genetically determined are distributed at random among all the members of a sibship. Dependence of the distribution on birth rank (i.e. maternal parity at the birth of the subjects) or on position within the sibship provides presumptive evidence of non-genetic causes and may give some indication of their nature (McKeown
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Spontaneous abortion and birth order
Early Human Development, 1974SummaryIt is well established that, in general, pregnancies at advanced maternal ages or of advanced birth order are at greater risk of aborting spontaneously. It does not follow that each individual woman, as she proceeds through her reproductive life, becomes steadily more prone to abort.
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Birth Order, Schooling, and Earnings
Journal of Labor Economics, 1986"Birth-order effects are posited by many to affect earnings and schooling. We show how such effects can be interpreted to shift either the earnings possibility frontier for siblings or parental preferences. We find empirical evidence for birth-order effects on (age-adjusted) schooling and on earnings for young U.S.
Behrman, Jere R, Taubman, Paul
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Birth weight increases with birth order despite decreasing maternal pregnancy weight gain
Acta Paediatrica, International Journal of Paediatrics, 2021Mandy Vogel +2 more
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