Interactions were observed as 80 mothers helped their first-grade children on an object-sorting task in the presence and absence of a third-grade sibling. (JMB)

This study investigated the feelings and concerns of 64 elderly persons, as revealed by a projective instrument, in relation to number and sex of siblings. The number and proportion of female siblings were found to have a greater influence than male siblings on the elderly's feelings and concerns. (Author)

Presents a study of the effects of interaction between a child and his mother or an older sibling on the child's object sorting behavior. Other factors studied included sex of sibling and family size. Subjects were 120 first grade children. (BD)

Subjects were eight first-graders with older siblings, half from 2-child families and half from larger families. The four sex combinations of sibling pairs were equally represented. Half the children were aided on the task by their mother; half were aided by their sibling. Comparisons were made by sex and family size. nAuthor/JH)

This study investigated the effects of an older sibling's aid in an object sorting task on the younger sibling's conceptual style. Children aided by siblings used descriptive style less than children who worked alone; children aided by siblings four years older used inferential style more than children aided by siblings two years older. Children…

Results are interpreted in terms of role theory and sibling rivalry, and have application for school practice. (Author)