60f18ee3_m_to_produce_different_figures__Methodology_comparison
[YouGov] Yes. The big challenge can be finding enough red-top readers to take part and on occasions those who do participate have their views trebled. [ICM] No [Methodology comparison] 
Newspaper weighting
S a m p l i n g
P o l i t i c a l w e i g h t i n g
N e w s p a p e r w e i g h t i n g
T u r n o u t w e i g h t i n g
D i d n ’ t v o t e M a y 2 0 1 0
T h e “ w i l l v o t e w o n ’ t s a y s ”
politicalbetting.com » Blog Archive » Why YouGov and ICM seem to produce different figures
Methodology comparison