This is the original study: https://digital.library.unt.edu/ark:/67531/metadc799207/m2/1/high_res_d/vol20-no3-191.pdf
This is the continuation too:
Show
This is so cartoonishly racist it's literally the kind of thing I'd expect in a sitcom.
I read some of the other cases and they are indeed fascinating, if a little saddening.
There are quite a few tear-jerkers. The one that got me was right at the beginning in case 2: