Documents
- Report of the Inquiry into the 2015 British general election opinion polls
- The Inquiry into the 2015 pre-election polls: preliminary findings and conclusions
- General Election Opinion Poll Inquiry releases preliminary findings
- The Opinion Polls and the 1992 General Election
- Comres GE2015 Polling presentation to BPC / MRS inquiry
- Evaluating the ICM pre-election polls
- Understanding the polls: Ipsos MORI’s election
- Opinium post-election slides
- Populus Voting Intention polling
- Survation Evaluating the 2015 pre-election opinion polls
- YouGov General Election Internal Review