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. 2012 Nov 22;128(1):45–53. doi: 10.1111/acps.12034

Table 3.

Principal components analysis of social responsiveness scale data

Component ASD, non-ASD, and TD groups (n = 475)

Total % of variance Cumulative%
1 18.928 29.120 29.120
2 3.851 5.925 35.045
3 3.152 4.850 39.895
4 1.926 2.963 42.858
5 1.701 2.616 45.474

ASD, autism spectrum disorders; TD, typical development.

The clinical sample consisted of participants with ASD (n = 257) and non-ASD (n = 157).