Which Statement Concerning Sibling Influences Is True

Multiple Choice

Which statement concerning sibling influences is true?

A) Brothers tend to confide in each other more than sisters.
B) The use of siblings as babysitters is found in only a few societies (e.g., United States) .
C) Having a large number of siblings can negatively impact cognitive development.
D) Siblings are unable to have any indirect impact on another sibling's development.