Sibling relationship contributions to individual and family well-being: introduction to the special issue.

This special issue presents new findings that illustrate the ways in which sibling relationships serve as important contexts for individual development and family functioning. This collection of articles, which emphasizes effects on both normative and at-risk development, is intended to stimulate further research on the multifaceted and often contradictory contributions siblings extend to one another across the life course. Copyright 2006 APA, all rights reserved).