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Encyclopedia of Statistics in Behavioral Science

Nonshared Environment

Standard Article

Hilary Towers¹ and Jenae M. Neiderhiser¹

¹George Washington University, Washington, DC, USA

DOI: 10.1002/0470013192.bsa449
Article Online Posting Date: October 15, 2005

Abstract | Full Text: HTML PDF (46K)

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Abstract

Findings from decades of research show that the environmental experiences of individuals reared in the same home can make them different from one another as well as similar. This is true for a wide range of individual characteristics and personal relationships. The phenomenon in which environmental influences cause family members to differ from one another is known in the behavioral genetic literature as nonshared environment.

Keywords: nonshared environment; MZ twin differences; difference scores