It exists in all types and sizes of families. The intensity of the rivalry can be aggravated by an increase in family stress. Blended families and large family size also add to general family stress. As with all facets of life, sibling rivalry exists on a continuum. The intensity of this rivalry can range from mild jealousy to violence.
Parents can coach and guide their children through the process of sibling rivalry.
First, an overall game plan needs to be established. Within the plan, boundaries need to be laid out. Rules and expectations, as well as consequences and rewards, need to be developed. When sibling rivalry erupts, an adult can intervene and solve the problem, or he can ask his children to solve the problem themselves. By allowing the siblings a chance to solve the problem themselves, if there is no physical danger, they will gain the confidence necessary to solve the next issue that arises.