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.
Don't waste the heart like that, it could go to someone else more deserving