Independence, ambition, socialablity, dominance, responsibility, thoughtfulness, and intelligence were all associated with the only-child position. Birth order position seems to be linked to all personality traits. The participants all shared an image of negative and positive traits of each birth position.
Dysfunction In The Single-Parent and Only-Child Family, studied twelve adolescents who only-children in single-parent families. The author Said Bayralal and Teresa M. Kope believed that their would be greater disturbance in single parent/only child families than in the control group in their studies. .
Subjects were only children aged 13-16 who lived with only one parent whom had no relationship with either sex for the past five years and had no relationship with the other parent. The control group were only children who had both parents or a single parent. The subjects and controls were rated on the Beaver-Timberlawn Family Evaluation Scale. According to this scale, families are placed in various categories depending on interactive process data rather than historical or individual information.
Seven out of ten variables were examined and differed between the two groups. The seven variable were adolescent psychopathology, family pathology, family autonomy, family permeability, family closeness, responsibility, and clarity of expression. The SPOC groups shows a higher degree of disturbance than the control group did. All the SPOC mothers manifested personality disorders. Their lifestyles were unstable and characterized by frequent changes in location, work, and world outlook. Their relationships with men were minimal or inconsistent. When they wounded as though they were talking about their sibling or themselves. Patients complained their mothers brought them to a marriage therapist. Most subjects did not have any serious problem until puberty. The relationship with the mothers is developed form the history of her own mother.