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1 sty 2017 · The present paper examines the difference in the quality of sibling relationship between mentally challenged children and their normal siblings across birth order and gender.
1 sty 2009 · The Sibling Niche Differentiation Model (Sulloway, 1996) suggests that an individual’s birth order acting as a proxy for within-family environmental factors like age, size and strength...
1 sty 2019 · This study aimed to determine the effects of the variables Birth Order (First, Middle, and Last), Gender (Female, Male), and Number of Siblings ("two or three" and "four or more"), which have...
The most prominent theory of birth order1 proposes that siblings occupy different niches to compete for parental investment, such that firstborn children follow the status quo (are more rule-bound and conscientious) and laterborn children rebel (are more unconventional).
While the classic birth order theories (Blake, 1981; Zajonc, 1983) recognize the limitation of family resources and propose a firstborn advantage, the social learning theories highlight the supportive role of older siblings through positive sibling relationships and interactions (Bandura, 1977; Whiteman et al., 2011).
17 lis 2015 · Empirical research on the relation between birth order and intelligence has convincingly documented that performances on psychometric intelligence tests decline slightly from firstborns to later-borns.
1 sty 2021 · In the next sections, the effects of birth order on parenting, academic achievement, and personality are discussed, but first the origins of sibling differences are explored. An important feature of sibling relationships (with the exception of twin relationships) is the age gap between siblings.
