D
Deleted member 231381
Unconfirmed Member
GMB/@Survation poll
CON: 43% (-)
LAB: 37% (+3)
LDEM: 8% (-)
UKIP: 4% (-)
For those curious, the big disparity between pollsters right now is coming down to turnout models - their unweighted samples look about the same. When you want to figure out how likely to vote someone is, you have two pieces of information: how likely they say they are, and how likely their demographic is in general. For example, a young person who says they're 100% likely to vote is probably only 70% likely to vote, an older person who says they're 80% likely to vote might be 80% likely to vote. As a pollster, you have to balance between the information this person gives you and how likely it is they're correctly estimating their likelihood to vote.
Models which take people more on their word are showing narrow Conservative leads of about 7 points. Models which don't are leaning to wider leads of 10 points. This is because Corbyn is getting frankly unprecedented certain to vote figures among younger people - young person's turnout would be the highest it has been in decades if people are self-reporting accurately. The question is whether you believe that picture.
CON: 43% (-)
LAB: 37% (+3)
LDEM: 8% (-)
UKIP: 4% (-)
For those curious, the big disparity between pollsters right now is coming down to turnout models - their unweighted samples look about the same. When you want to figure out how likely to vote someone is, you have two pieces of information: how likely they say they are, and how likely their demographic is in general. For example, a young person who says they're 100% likely to vote is probably only 70% likely to vote, an older person who says they're 80% likely to vote might be 80% likely to vote. As a pollster, you have to balance between the information this person gives you and how likely it is they're correctly estimating their likelihood to vote.
Models which take people more on their word are showing narrow Conservative leads of about 7 points. Models which don't are leaning to wider leads of 10 points. This is because Corbyn is getting frankly unprecedented certain to vote figures among younger people - young person's turnout would be the highest it has been in decades if people are self-reporting accurately. The question is whether you believe that picture.