TY - JOUR T1 - The Difference between Attitudes and Nonattitudes in the Mass Public: Just Measurements AU - Norpoth, Helmut AU - Lodge, Milton PY - 1985 SP - 291 EP - 307 JO - American Journal of Political Science VL - 29 IS - 2 SN - 0092-5853 UR - http://www.jstor.org/stable/2111168 ER -