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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2011 Feb 25;50(5):508–518. doi: 10.1016/j.jaac.2011.01.009

Table 2.

Principal Components Factor Analysis of the 12-question subset of the Chimpanzee Social Responsiveness Scale

Component Eigenvalue % of
variance		 Cumulative %
1 6.273 52.272 52.272
2 1.531 12.755 65.027
3 1.116 9.298 74.324
4 0.970 8.083 82.407
5 0.669 5.572 87.979