Survation and YouGov stuck in 2014 to bias their polling

In their most recent poll, in January 2024, Ipsos Scotland got: Yes 50% No 44% For Westminster SNP 39% and Labour 32% Last week and being trumpeted as more bad news for John Swinney, Survation got: Yes 38% No 45% SNP 28% Labour 31% YouGov had identical results the week before. Survation had this sample ratio weighted according to the 2014 referendum, 10 years ago: Of those who voted in 2014, Yes 44% and No 55% with 22% of the poll those who had not voted. YouGov had the same ratio. Ipsos had this sample ratio weighted according to trends … Continue reading Survation and YouGov stuck in 2014 to bias their polling