Article2002

Twin Relationships in Old Age: A Developmental Perspective

91 citations0/0 files storedJournal of Social and Personal Relationships

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Attachment and Relationship Dynamics Family Dynamics and Relationships Assisted Reproductive Technology and Twin Pregnancy

Abstract

The relationship development of 133 monozygotic (MZ) and 60 same-sex dizygotic (DZ) older twin pairs was studied retrospectively and contrasted with their other sibling relation-ships. Results indicate: (i) Since adolescence, MZ twins lived closer to one another and had more frequent contact, social support, and emotional closeness. For both MZ and DZ pairs, contact and emotional closeness decreased since early adulthood, but increased again in old age. Dyadic differences in these variables were highly stable over time. (ii) Compared with their other sibling relationships, the relationships between MZ and DZ twins were more intense with respect to all relationship domains (e.g., contact, intimacy, conflict, and support). (iii) Whereas higher attachment security and relationship satisfaction in MZ pairs were independent of contact frequency, security and satisfaction were less intense in DZ pairs and strongly dependent on their contact. It is concluded that MZ and DZ twin relationships are different kinds of sibling relationships in old age.

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References

1999Taking time seriously: A theory of socioemotional selectivity.1983How People Make Their Own Environments: A Theory of Genotype Environment Effects 2014Life-Span Development and Behavior 1988A Generic Measure of Relationship Satisfaction 1992Social and emotional patterns in adulthood: Support for socioemotional selectivity theory.1980Convoys over the life course: attachment, roles, and social support 1987An examination of sex differences in social support among older men and women 1996Social-cognitive conceptualization of attachment working models: Availability and accessibility effects.

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