Cool test, found via Beancounter:

Face Memory Test

Recognition score
(if you saw it)

Your score: 95%
Average score: 92%

This is a measure of your ability to remember the photos you've seen, regardless of the part in which you saw them. From all 24 photos shown in Parts 1 & 2, you recognised: 23 photo(s).


Temporal memory score
(when you saw it)

Your score: 91%
Average score: 68%

This is a measure of how often you recognised a photo and matched it to the correct part, instead of just remembering which ones you'd seen. From all the photos you recognised, you matched: 21 photo(s) to the correct part.