TY - JOUR T1 - Dirty Data in Britain and the USA: The Reliability of 'Invariant' Characteristics Reported in Surveys AU - Schreiber, E.M. PY - 1975 DO - 10.1086/268246 SP - 493 EP - 506 JO - Public Opinion Quarterly VL - 39 IS - 4 SN - 0033-362X ER -