Interesting to say the least.
"The odds that many of the current public polls are undercounting Republican support are pretty high."
Over the years, several theories have been offered on why this has occurred, ranging from non-response issues, i.e., shy Trump/Republican voters, problems with likely voter models, and a lack of polling respondents without a college degree. The American Association for Public Opinion Research (AAPOR) released their “Task Force on 2020 Pre-Election Polling: An Evaluation of the 2020 General Election Polls” and could not determine why public polling, on average, favored democratic candidates by 4 to 5 points in 2020.
"The odds that many of the current public polls are undercounting Republican support are pretty high."
Over the years, several theories have been offered on why this has occurred, ranging from non-response issues, i.e., shy Trump/Republican voters, problems with likely voter models, and a lack of polling respondents without a college degree. The American Association for Public Opinion Research (AAPOR) released their “Task Force on 2020 Pre-Election Polling: An Evaluation of the 2020 General Election Polls” and could not determine why public polling, on average, favored democratic candidates by 4 to 5 points in 2020.