Table 1 Mean (SD) for each timepoint for the matching and ratings tasks

SDT measures

 A (sensitivity)

0.97 (0.04)

0.96 (0.04)

0.97 (0.04)

0.94 (0.05)

0.93 (0.06)

0.95 (0.05)

0.94 (0.06)

0.94 (0.06)

0.94 (0.06)

0.91 (0.07)

0.89 (0.08)

0.90 (0.07)

 B (bias)

0.87 (0.24)

0.84 (0.24)

0.85 (0.22)

1.18 (0.52)

1.18 (0.58)

1.27 (0.55)

1.10 (0.48)

1.10 (0.46)

1.11 (0.45)

1.49 (0.71)

1.40 (0.76)

1.58 (0.77)

Accuracy

 Matched identity trials

0.98 (0.03)

0.98 (0.04)

0.98 (0.04)

0.89 (0.11)

0.88 (0.11)

0.88 (0.12)

0.90 (0.11)

0.89 (0.10)

0.90 (0.12)

0.79 (0.15)

0.77 (0.18)

0.76 (0.17)

 Mismatched identity trials

0.90 (0.14)

0.89 (0.14)

0.91 (0.15)

0.92 (0.11)

0.88 (0.15)

0.93 (0.11)

0.90 (0.15)

0.89 (0.15)

0.91 (0.12)

0.90 (0.14)

0.88 (0.12)

0.90 (0.14)

Response time (correct responses)

 Matched identity trials

2530 (2374)

1865 (676)

1914 (976)

2896 (2993)

2445 (1064)

2766 (2006)

2988 (2280)

2548 (1482)

2657 (1380)

3380 (2967)

3316 (2191)

3298 (2141)

 Mismatched identity trials

2690 (2620)

2544 (2463)

2405 (1227)

2517 (1432)

2495 (1169)

2414 (1613)

2679 (1536)

2764 (1701)

2598 (1316)

2711 (1757)

2766 (1340)

2908 (2201)

Mean ratings

 Trustworthiness

4.10 (0.86)

4.40 (0.85)

4.22 (0.68)

4.28 (0.68)

4.55 (0.75)

4.14 (0.90)

3.32 (1.06)

3.35 (0.85)

3.49 (0.84)

3.04 (1.02)

3.38 (1.21)

3.26 (0.99)

 Competence

4.22 (1.04)

4.39 (0.83)

4.36 (0.71)

4.57 (0.66)

4.72 (0.91)

4.44 (0.86)

3.55 (1.06)

3.81 (1.00)

3.74 (0.91)

3.56 (1.16)

3.77 (1.12)

3.77 (0.90)

 Attractiveness

3.57 (0.88)

3.70 (0.91)

3.14 (0.92)

3.65 (0.80)

3.81 (0.72)

3.41 (0.89)

3.18 (0.94)

3.35 (0.79)

3.01 (0.93)

2.94 (1.01)

3.16 (0.92)

2.97 (0.96)