Quality of sibling relationship and parental differential treatment in a sample of Portuguese adolescents

Inês Carvalho Relva, Madalena Alarcão, Otília Monteiro Fernandes, Sandra Graham-Bermann


Siblings are extremely important in adolescent life. We intent to study how sibling attachment, parental differential treatment and the use of conflict tactics resolution in siblings relationship are related. In a sample of 192 Portuguese adolescents aged between 11 and 16 we applied Inventory of Parent and Peer Attachment, sibling version; the Revised Conflict Tactics Scales – Sibling Version and the Sibling Inventory Differential Experience. The results show that an equal parental treatment are associated with positive way of solving conflicts between siblings; boys reported more distance from siblings than girls, and a negative sibling relationship seems to influence the occurrence of sibling violence. This study stresses the importance of parents and practitioners in promoting earlier closeness between siblings.


Differential treatment, Parents, Siblings, Attachment, Revised Conflict Tactics Scales – Sibling Version.

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DOI: https://doi.org/10.14417/ap.1645


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