The reason this need for love and approval takes on epic dimensions, causing strife, is that in the mind of children parents are godlike figures and their family environments are the world. Adult Sibling Rivalry Sibling rivalry often lingers through adulthood. Factors that Influence Sibling Rivalry.
by Melbourne Child Psychology & School Psychology Services, Port Melbourne. Sibling rivalry is really a competition for the love and approval of primary caregivers.
By Jane Mersky Leder, published January 1, 1993 - last reviewed on June 9, 2016 The studies presented here form just the tip of the iceberg with research in this area still in its infancy. Excessive fighting can be very frustrating and can cause severe stress for parents and children alike.