Total False Recall
No, a recent Opinium poll was not based a 10 point Conservative lead in 2017.
It has been claimed that a recent Opinium poll suggested there was a 10 point Conservative lead in 2017, meaning their sample was not representative.
It did not. This article also discusses the problem of false recall.
What the poll said
Opinium conducted a survey of 2,003 UK adults, on 20th — 22nd November 2019. This poll was part of Opinium’s regular survey series for The…