On: People’s creditworthiness, it seems, can be seen in their looks

[ars]

I think you got it backward, read it again. He used the Mechanical Turk to put a number on each face rather than just yes/no. He then compared the results with actual loan applications, and found that it correlated pretty well.

[imp → ars]

Oh, I see now. Makes sense. Thanks.

[jeffbarr → imp]

There's some clarification on how the Turk was used at http://www.econsteve.com/?p=166 .

[imp → jeffbarr]

Nice find!

[jeffbarr → imp]

Uh yeah, the blogger is my son.

[imp → jeffbarr]

Oh, cool. I was wondering if there was a connection.