Take a close look at sibling relationships--particularly how siblings navigate power, control, and influence and how the relationship affects the development of the individuals involved. While such relationships are both complementary and reciprocal, they transforms rather dramatically: from hierarchical in early and middle childhood, to egalitarian by early adulthood.

This issue to examines:

• the processes and consequences of such dynamic power shifts for our broader understanding of how these relationship dynamics change and develop throughout the life course,...