[Chi-townChief]

Also brings to mind the "Puerto Rico paradox."

[sageb1]

http://eric.ed.gov/ERICWebPortal/Home.portal?_nfpb=true&_pageLabel=RecordDetails&ERICExtSearch_SearchValue_0=ED267144&ERICExtSearch_SearchType_0=eric_accno&objectId=0900000b8010bca5

"All respondents classified themselves as either white or trigueno (an intermediate category), avoiding classifications of Black, Mulatto, or other."