Table 1.
Descriptive statistics of ratings of faces from the FACS database. Rows in bold indicate the expressions which were used in the experimental part of the study.
| FACS database file names | FACS action unit codes | Mean score of trustworthiness | SD | |
|---|---|---|---|---|
| Trustworthy faces | s6_12z26 | 6D+7C+12E+25D+26C | 6.303 | 2.039 |
| s6121517 | 6E+7D+12+15B+17D | 5.546 | 1.769 | |
| s13a | 13B | 5.485 | 1.788 | |
| s12x_23 | 12B+23D+38A | 5.576 | 1.751 | |
| sL14 | L14C | 5.788 | 1.833 | |
| Untrustworthy faces | s10y_17 | 10E+17D | 2.212 | 1.431 |
| sL10x_25 | L10B+25B | 2.606 | 1.580 | |
| s10y1625 | 10C+16E+25E | 2.394 | 1.273 | |
| s9_25 | 7C+9E+25C | 2.061 | 1.144 | |
| s10y2325 | 10C+16A+23E+25E | 2.121 | .992 | |
| Ambiguous faces | s20z | G20E+21B | 4.091 | 1.684 |
| s6_15z17 | 6D+G7D+15E+17E+38B | 4.212 | 1.933 | |
| s17_24 | 17D+24D | 3.758 | 1.542 | |
| s4b | 4D | 4.212 | 2.043 | |
| s2 | V2C+38A | 4.182 | 1.310 | |
| s25 | 25B | 3.546 | 1.787 |