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. 2011 Aug 29;6(8):e23986. doi: 10.1371/journal.pone.0023986

Table 1. One choice analysis of variance testing for differences among observer's categorization of subjects' races and indicators of race.

Race category Indicator category
Observer African Am Asian Am European Am Hispanic Am Native Am Address Name Skin color Hair form Facial features
1 n 5 6 82 82 5 2 154 148 64 161
Freq 0.03 0.03 0.45 0.45 0.03 0.01 0.85 0.82 0.35 0.89
2 n 24 16 422 201 35 2 624 698 685 697
Freq 0.03 0.02 0.60 0.29 0.05 0.00 0.89 1.00 0.98 1.00
3 n 40 22 723 263 48 9 177 1089 1084 1087
Freq 0.04 0.02 0.66 0.24 0.04 0.01 0.16 0.99 0.99 0.99
4 n 6 10 146 78 7 0 169 245 238 240
Freq 0.02 0.04 0.59 0.31 0.03 0.00 0.68 0.99 0.96 0.97
5 n 4 10 82 58 6 0 123 153 135 154
Freq 0.02 0.06 0.51 0.36 0.04 0.00 0.76 0.95 0.84 0.96
6 n 1 2 201 11 6 1 22 218 109 109
Freq 0.00 0.01 0.91 0.05 0.03 0.00 0.10 0.98 0.49 0.49
7 n 0 0 11 5 0 0 13 9 2 12
Freq 0.00 0.00 0.65 0.29 0.00 0.00 0.76 0.53 0.12 0.71
8 n 17 11 222 154 14 0 306 404 194 386
Freq 0.04 0.03 0.53 0.37 0.03 0.00 0.73 0.96 0.46 0.92
ANOVA Sum of squares F Pr>F ANOVA Sum of squares F Pr>F
Observer 0.0005 0.01 1.00 0.6086 1.95 0.10
Category 2.4089 71.41 <0.0001 4.1631 23.33 <0.0001