Susan Newman defends having only one child and dismisses the stereotypes:
Hundreds of studies conducted over the last three decades have disproven the stigmas attached to only children. For instance, research done at the University of Ohio and ironically titled, “Good for Nothing: Number of Siblings and Friendship Nominations among Adolescents,” showed that only children were just as popular as their peers with siblings. Furthermore, the authors noted, “These results contribute to the view that there is little risk to growing up without siblings — or alternatively, that siblings really may be ‘good for nothing.’”
The Dish 