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The twins method in research

  • Ernst Franzek
  • Helmut Beckmann

Abstract

Twins represent a distinctive social group (Schepank 1974, 1993). They are apparently less dependent on communication with the rest of their environment, since - if they grow up together - they always have a partner of the same age. The attachment to each another is much more intense with monozygotic twins than with dizygotic twins. While monozygotic twins often strive to attain similarity and identification with each other, dizygotic twins tend to show more competitive behavior and a wish to distinguish themselves from their partner (Bischoff 1959, Bracken 1969, Schepank 1993). Generally, the identification with the partner appears to be stronger in female monozygotic twins than in male pairs (Vogel and Motulsky 1986). However, there are a significant number of dizygotic twins who also exhibit a strong degree of attachment and a pronounced aspiration for similarity. Conversely, it is possible for monozygotic twins to be less attached to each other and show a strong wish to distinguish themselves from each other (Schmidt 1986). It is even possible for an extreme animosity to develop between the twins. Attempts to attain similarity and/or difference are also influenced by the environment. In the past, it was more often the case that the identical nature of monozygotic twins was additionally emphasized by clothing, etc., while currently many educators place more value on emphasizing their individuality (Friedrich and Kabat vel Job 1986).

Keywords

Twin Pair Monozygotic Twin Concordance Rate Dizygotic Twin Discordant Pair 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Wien 1999

Authors and Affiliations

  • Ernst Franzek
    • 1
  • Helmut Beckmann
    • 1
  1. 1.Psychiatrische Klinik und PoliklinikUniversitäts-NervenklinikWürzburgGermany

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