Parental Differential Treatment Of Siblings And Sibling Differences In Intelligence

Egorova, M.; Alekseeva, O.

Авторы: Egorova M., Alekseeva O.
Журнал: European Proceedings of Social and Behavioural Sciences
Том: 94
Год издания: 2020
Издательство: Future Academy
Местоположение издательства: online
Первая страница: 183
Последняя страница: 190
Номер статьи: 22
DOI: 10.15405/epsbs.2020.11.02.22
Аннотация: The current study examined whether IQ differences between older and younger siblings related to the differences in parent-child relations. The Sample consisted of 291 two-child families. Mean age of the fathers 45.53, SD= 5.25, range: 35–61; mothers 43.20, SD= 4.27, range: 33–54. Intrapair age differences between siblings were not more, than 6 years. The age of the older sibling was 11–23 (M= 18.03, SD= 2.29): of the younger sibling 7–18 (M= 14.50, SD= 2.40). Mothers and fathers of siblings were asked to complete the 60-item Questionnaire of Child-Parent relationship, which was designed to assess 10 descriptive scales and 5 factor scales. Intelligence of siblings was assessed in 83 families through normalized scores of Wechsler tests (WISC or WAIS–III). The general factor of parent-child relations (GFR) was assessed as the unrotated first principal factor in the item-based and scale-based factor analysis. GFR is defined by the factors of parent-child relations connected with satisfaction – dissatisfaction with the relationship, acceptance – rejection of the child, and the degree of emotional closeness and trust. A positive GFR score means that the parents are generally satisfied with their relationship with their child and consider it well-balanced and free of conflict. When plotting siblings’ verbal, performance, and general intelligence against GFR scores, no significant correlation was observed. Differential treatment by fathers and, to a lesser degree, by mothers, reveals a small significant correlation with the IQ differences between siblings.
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