Table 1. Performance levels for the individual and average-image targets.

	Individual-Image Target	Average-Image Target
User Recognition	45% (22)	68% (37)
Imposter Rejection	100% (0)	100% (0)

Note. For each celebrity, individual-image targets were tested 50 times (5 targets x 5 test images for both ‘users’ and ‘imposters’), while average-image targets were tested 10 times (average target x 5 test images for both ‘users’ and ‘imposters’). The table shows mean performance by condition across all celebrities (SD in parentheses).