TY  - JOUR
T1  - The Measurement of a Middle Position in Attitude Surveys
AU  - Presser, Stanley
AU  - Schuman, Howard
PY  - 1980
DO  - 10.1086/268567
SP  - 70
EP  - 85
JO  - Public Opinion Quarterly
VL  - 44
IS  - 1
SN  - 0033-362X
ER  -