Differential Experiences and Separation-Individuation in Adolescent Twins

ISSN: 2210-6774 (Online)
ISSN: 2210-6766 (Print)

Volume 6, 4 Issues, 2016

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Adolescent Psychiatry

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Lois T. Flaherty
Harvard University Medical School
Cambridge, MA

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Differential Experiences and Separation-Individuation in Adolescent Twins

Adolescent Psychiatry, 2(1): 52-60.

Author(s): Fusun Cuhadaroglu Cetin, Devrim Akdemir and Sinem Akgul.

Affiliation: Hacettepe University Faculty of Medicine, Department of Child and Adolescent Psychiatry, Sihhiye/Ankara, Turkey.


The aim of this study was to investigate the relationship between self-differentiating perceptions and the separation-individuation process in adolescent twins compared to non-twin siblings. A group of 32 twins aged 12-20 years, and a group of 31 non-twin adolescents aged 12-19 years were evaluated using a socio-demographic and clinical information form, the Sibling Inventory of Differential Experience (SIDE) and the Separation-Individuation Test of Adolescence (SITA). There were no significant differences between the twin and the non-twin adolescents with respect to mean scores of SIDE and SITA subscales. Although there were significant differences in the relation of differential peer characteristics to separation-individuation process in two groups, differential experiences of twins related to interactions with their co-twins, mothers and fathers affection and controlling behaviors were much more correlated with healthier separation-individuation in adolescence compared to non-twin adolescents. The above-mentioned aspects of selfdifferentiating perceptions of twins will be important in helping them during the process of separation-individuation


Adolescence, differential experience, separation-individuation, twins.

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Article Details

Volume: 2
Issue Number: 1
First Page: 52
Last Page: 60
Page Count: 9
DOI: 10.2174/2210676611202010052

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