Although families are getting smaller, the majority of American children still grow up with at least one sibling, and there is certainly no shortage of speculation about the roles that brothers and sisters play in a child's life. Sibling rivalry is the spirit of competition, jealousy, and resentment that may arise between two or more siblings. For over a hundred years psychologists have been studying how our birth order determines our personalities and relationships. &…showed first 75 words of 582 total…

…showed last 75 words of 582 total…siblings, leading to the finding that the first born is often least warm and frequently most hostile to their siblings, compared to other birth order patterns. First borns always have novice parents; hence they grow up in an early atmosphere of greater parental anxiety than their younger siblings. Parental expectations are usually very high for first born children and they are often given responsibility and expected to set an example. <Tab/>