Read the passage from a research paper on improving sibling relationships.

strengthening sibling relationships

parents can nurture sibling closeness by encouraging cooperation. when brothers and sisters work together to complete a chore, mutual appreciation is gained from the effort. each one benefits from the other’s strengths (vera 227).

works cited

dunn, clara. sibling rivalry. toronto: modern press, 1999. print.

ramirez, ana. examining the family dynamic. new york: prestige publishers,
2011. print.

thornton, davis. brothers, sisters, friends. boston: society press, 2002. print.

vera, nikko. sibling relationships. providence: union house, 2007. print.

which book does the author use in this passage?

a) sibling rivalry
b) examining the family dynamic
c) brothers, sisters, friends
d) sibling relationships