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Lilas Gurgand; Hugo Peyre; Jean Ecalle; Jean-Paul Fischer; Franck Ramus – Mind, Brain, and Education, 2024
We studied the effect of the number and characteristics of siblings (sex, age) on school achievement in several grades (kindergarten, first grade, and fifth grade), in two large French cohorts, with more than 16,000 children. Running linear mixed-effects models, we find that, independently of socioeconomic status, having more siblings is…
Descriptors: Siblings, Sibling Relationship, Academic Achievement, Foreign Countries
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Tseng, Wan-Ling; Kawabata, Yoshito; Gau, Susan Shur-Fen – Child Psychiatry and Human Development, 2011
This study examined social problems at school and relationships with peers, siblings, mothers, and fathers among children with ADHD only (n = 41), ODD only (n = 14), ADHD + ODD (n = 47), and normal controls (n = 204) from a school-based sample of 2,463 first to ninth graders in Taiwan. ADHD and ODD symptoms were determined by teacher and mother…
Descriptors: Social Behavior, Sibling Relationship, Mothers, Rating Scales