“Matt Barreto and Gary Segura”:http://latinodecisions.wordpress.com/2010/11/04/how-the-national-exit-poll-badly-missed-the-latino-vote-in-2010/:
bq. Examination of the method of selection, clustered interviews, statistical properties of the resulting samples, uneven distribution of minority populations, and the low incidence of bilingual interviewing all suggest that the exit poll estimates for racial and ethnic sub-populations, reported in the National Exit Pool surveys, systematically underestimate Latino and African-American Democratic vote share by over-representing higher income, higher education, and more socially integrated minority voters than their share of the electorate warrants.