The analysis of WISC scores for 314 school-age twins and 221 of their siblings revealed high concordance of full-scale and verbal IQ for monozygotic twins. The IQ concordance for dizygotic twins, twin-sibling pairs, and sibling pairs were comparable to each other but significantly lower than that for monozygotic twins. (Author/JMB)

Four parents trained in specific methods for teaching social interaction skills to their mentally retarded and nondisabled children increased their prompting and praising techniques. These changes were accompanied by increases in the amount and duration of their children's play interactions. (CL)

Growing up in a family with a handicapped child offers non-handicapped siblings unusual opportunies for growth. Having handicapped children in the family can make siblings strong, self-sufficient, helpful, and understanding, or weak, emotional, and dependent. Research on this topic is reviewed, and ways in which parents, schools, and…

Study investigated the relationship of classroom acceptance, visibility, and achievement between siblings in the same elementary school. For both visibility and achievement, younger siblings had significantly higher scores than older siblings. (RB)

The article reviews the literature on siblings of disabled children in terms of the factors influencing sibling relationships such as size of family, birth order and gender of siblings, severity of handicap, parental attitudes, and residence of the handicapped child. Four research questions are posed. (Author/DB)

A case history describes the effects on a family of a child whose cleft palate required frequent medical attention. Adjustments required by a completion of surgery are noted to have unsettling effects on the 10-year-old brother and his mother and father. (CL)

The case study examines the problems of a 15-year-old younger sibling of a handicapped young man. The boy's problems in school and with his parents, brother, and the family counseling process are considered. (DB)

Subjects (N=106) from families of two or three children were analyzed in terms of various sibling sex configurations and administered the Tennessee Self Concept Scale. Results were discussed in terms of a "special place in the family." (Author/CM)

A 3- day workshop was held for the 7- to 17-year-old brothers and sisters of handicapped children to help them deal with their feelings and show them what their handicapped siblings do at school. Among activities were games simulating handicapping conditions and using adapted materials (i.e., bingo with Bliss symbols). (PHR)

Examined relations among quality of sibling relationships, maternal socialization techniques regarding infant emotions and skills, firstborns' perspective-taking skills, and firstborns' caretaking behavior in 32 sibling pairs (14 months; 3-5 years) and their mothers. (RH)

The study found that, although all family members of second grade language-impaired children (N=54) were more likely than members of families of non-impaired children (N=152) to also be impaired, specifically brothers, and to a lesser degree sisters, had a higher rate of language impairment than did parents. (DB)

Used data from 1987-88 National Survey of Families and Households to compare contact with full- and step/halfsiblings in adulthood. Found that respondents kept in touch with step/halfsiblings, but saw them significantly less often than fullsiblings. Among stepfamilies, length of time in stepfamily and having stepfather rather than stepmother…

Study examined the prevalence of bullying in 375 American children, determined the relationship between peer bullying and sibling bullying, and examined the link between psychological difficulties and bullying. In general those who were both bullies and victims reported the highest level of psychological difficulty followed by victims, bullies,…

Objective: To study the influence of increased familial risk for attention-deficit/hyperactivity disorder (ADHD) on brain morphology. Method: Volumetric cerebral measures based on whole brain magnetic resonance imaging scans from 30 boys with ADHD, 30 of their unaffected siblings, and 30 matched controls were compared. Results: Both subjects with…