Fichtmueller, M. (2020). How do adult twins experience and view their identity? An intuitive inquiry [Unpublished Master’s thesis]. Alef Trust & Middlesex University.

Normal adult identity formation and individuation has been well documented in psychological and world spiritual literature. Identity and individuation differ for twins because of their physiological and psychological connection with each other. Although literature has to some extent explored twin identity at prepersonal and personal stages of ego development, little research literature exists which looks to unravel transpersonal phases of twins’ individuation. With a focus on transpersonal development, this research used intuitive inquiry to investigate “How adult twins experience and view their identity.” Individual twins (monozygotic and dizygotic) were interviewed to understand their experience of their own identity development. The researcher’s own experience of twin identity was reported through embodied writing and poetry. Results allowed for the formation of an emerging model of Twin Identity Development, which outlined a possible trajectory for twin identity development, introducing the transpersonal as a connecting thread between the prepersonal and personal twin identity. Participant perspectives on identity development indicated the possibility for twins to embrace both an individual and a joint identity and in some cases, transcend both. Embracing all aspects of both identities created a sense of wholeness for twins. Further investigation into different twin identities and parenting of twins could validate the research.

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