> I'm not sure how to verify your comment Here's how 538 explains how they factor in bias into their grading: > Think about this another way. If most polls in

> I'm not sure how to verify your comment Here's how 538 explains how they factor in bias into their grading: > Think about this another way. If most polls in a race overestimate the Democratic candidate by 10 points in a given election, but Pollster C's surveys overestimate Republicans by 5, there may be something off about the way Pollster C does its polls even if its accuracy is higher. We wouldn't necessarily expect it to keep outperforming other pollsters in subsequent elections since the direction of polling bias bounces around unpredictably from election to election. - https://abcnews.go.com/538/best-pollsters-america/story?id=105563951 https://abcnews.go.com/538/best-pollsters-america/story?id=1...