In generic psychiatry there has been increasing interest among scientists for the developmental perspective. However, professionals active in the mental health care of people with intellectual disability (ID) have not shown the same degree of interest. The author of this article, who has had a liberal amount of rewarding experiences with the…

This paper discusses the differences between the one-child family and the family with more than one child in terms of the effects or possible effects on the child. Longitudinal studies of 200 children being followed from birth through age 5 (one-third of whom are only children, two-thirds, second children, were used as a data base, along with a…