SAGE Reference - Encyclopedia of Human Relationships

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Sex Ratio

In: Encyclopedia of Human Relationships
Edited by: Harry T. Reis & Susan Sprecher
Subject:Interpersonal Relationships, Group Processes/Dynamics, Close Relationships

The sex ratio (SR) is the most popular index of sex composition used in demographic and other scholarly analyses; it is defined as the number of males per 100 females:

An SR above 100 indicates an excess of males, and an SR below 100 ...

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  Reis, H. T., & Sprecher, S. (2009). Sex ratio. In Encyclopedia of human relationships (Vol. 1, pp. 1448-1449). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412958479.n474
  
  Reis, Harry T., and Susan Sprecher. "Sex Ratio." In Encyclopedia of Human Relationships, edited by Reis, Harry T., and Susan Sprecher, 1448-49. Thousand Oaks, CA: SAGE Publications, Inc., 2009. https://dx.doi.org/10.4135/9781412958479.n474.
  
  Reis, H. T. and Sprecher, S. 2009. Sex Ratio. In: Harry T. Reis and Susan Sprecher Editors, 2009. Encyclopedia of Human Relationships, Thousand Oaks, CA: SAGE Publications, Inc. pp. 1448-1449 Available at: <https://dx.doi.org/10.4135/9781412958479.n474> [Accessed 3 Jul 2022].
  
  Reis, Harry T. and Susan Sprecher. "Sex Ratio." Encyclopedia of Human Relationships. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2009, pp. 1448-49. SAGE Knowledge. 3 Jul 2022, doi: https://dx.doi.org/10.4135/9781412958479.n474.
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