TY  - JOUR
T1  - The statistical power of election studies to detect media exposure effects in political campaigns 
AU  - Zaller, John
PY  - 2002
DO  - 10.1016/S0261-3794(01)00023-3
SP  - 297
EP  - 329
JO  - Electoral Studies
VL  - 21
IS  - 2
SN  - 0261-3794
ER  -