How polling averages could be underestimating the Democrats
Are Republican survey firms skewing midterm predictions?
![Polling.](https://cdn.mos.cms.futurecdn.net/Af7nEinvNufaJXCMRLaH6k-415-80.jpg)
With less than a week to go before voters head to the polls in the U.S., the outcome of the race is more in doubt than in perhaps any midterm election in recent memory.
Conflicting signals abound. Republicans have improved their standing by a point or two in averages of the generic ballot since the summer, which asks voters whether they will choose Democrats or Republicans for Congress. Just as Democratic fortunes seemed to magically turn around after the Dobbs decision that overturned Roe v. Wade, the GOP is riding a bounce from the disappointing October inflation report. Yet post-Dobbs special elections, which have often been predictive of the outcome in November, suggested something close to a fully neutral, if not a Democratic-leaning national environment, while internal polls for House candidates are reportedly pointing to a bloodbath for Team Blue.
It is in this environment of uncertainty that some analysts are taking a fresh look at the polling and asking whether Republican-aligned pollsters might be distorting the polling averages that forecasters are relying on to make their predictions. Here's everything you need to know:
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Why do some experts think Republican-leaning pollsters are distorting polling averages?
As computer scientist Laskshya Jain notes at Split Ticket, there are an unusually large number of partisan firms polling state and national elections this year. And those Republican-aligned firms are seeing a very different race for Congress than non-partisan pollsters.
In one version of the story, Republicans are on track to win the national popular vote for the House by 3 points, which would comfortably deliver the lower chamber and make them the favorite to win the Senate, too; but non-partisan polls point to a "dead heat" that gives Democrats a fighting chance to retain one or even both branches of Congress.
Jain, who thinks Republicans will win the House and that the Senate is a toss-up, is careful to note that he's not endorsing the idea that the non-partisan pollsters are right and the Republican groups are wrong. But he and his colleagues created a separate poll tracker that only includes well-regarded non-partisan polls and excludes partisan pollsters like Insider Advantage on both sides, including Democratic outfits like Data For Progress. As of this morning, that aggregator shows Republicans leading the generic ballot narrowly.
What is the Trafalgar Group?
The most prolific of the GOP pollsters is called the Trafalgar Group, and the organization's leader, Robert Cahaly, somewhat famously refuses to share its surveys' "cross-tabs" — where you can see how Black, Latino, or young voters intend to vote, according to the survey. And while his group may have gotten close to the margins in some high-profile races, Cahaly was also adamant that Trump would win in 2020 with Arizona, Michigan, and Pennsylvania going for the Republican instead of Joe Biden.
The Trafalgar Group has put out a generic ballot poll roughly every two weeks, and it always features prominently in the RealClearPolitics polling averages. Ditto the weekly poll from Rasmussen Reports, an ostensibly non-partisan poll that nevertheless consistently finds Republicans doing better than other organizations. Trafalgar is also all over the Senate and gubernatorial polling, releasing polls in just about every competitive race in the country, from the Oregon and Arizona governor's contests to Senate battles in North Carolina, Pennsylvania, and Georgia. If Trafalgar is deliberately or accidentally getting the electorate wrong, it is having huge effects on election forecasts.
Is there anything else that looks odd about this year's midterm polls?
Indeed, it's not just Republican pollsters. Even what Jain calls "gold standard" non-partisan pollsters are showing some odd numbers that are working against Democrats. For one thing, several prominent generic ballots polls just in the last week show Democrats winning less than 80 percent of the Black vote, which would be unprecedented. Even in GOP wave election years like 2010 and 2014, Democrats held steady with Black voters, winning roughly 9 of 10, according to exit polls.
A shift of this magnitude of Black voters to the GOP would indeed be a seismic event in American politics, one that would make it much less likely for Democrats to consistently win national elections. But there are good reasons to be skeptical of these findings, not least of which is that Democratic performance with Black voters has remained consistent for decades. The last time fewer than 80 percent of Black voters chose the Democratic candidate for president, for example, was in 1960. An analysis of early voting data by Democratic strategist Simon Rosenberg also suggests that Democrats are poised to blow their polling out of the water almost across the board.
What does this all mean for next Tuesday?
Democrats are about to defy both recent election history and the polls, right? Not so fast. The history of speculating about systematic polling error is not great. In 2004, left-leaning bloggers believed that Democratic nominee John Kerry would beat his polls, which showed incumbent President George W. Bush winning re-election narrowly, by turning out younger voters in higher numbers than surveys suggested. That didn't happen.
In 2012, a blogger named Dean Chambers started "unskewing" polls that he thought undersampled Republican voters. Instead, it was incumbent President Barack Obama and down-ballot Democrats who overperformed, probably because likely voter screens didn't capture the low-propensity voters who ended up turning out for him. Chambers had predicted a Romney victory in the Electoral College of 275-263, because, as he told New York magazine's Eric Benson, "Many of us believed that the electorate was going to look more like 2010 rather than 2008." Believing that the electorate should look like something other than what the polling tells you it will look like is a hallmark of this kind of analysis, and it is usually wrong.
It also happens to be the case that Trafalgar has had a particularly good track record in recent years, so much so that FiveThirtyEight assigned the group an A- rating — better than well-regarded pollsters like Marquette University Law School, Fox News/Opinion Dynamics, and even the august Gallup, which pioneered the science of polling in the 1930s and 1940s. While they may not be especially forthcoming with their methodology, it is hard to argue with the results over the past several cycles.
If that leaves you more uncertain than ever about who is likely to win control of Congress, governor's seats, and state legislatures next week, you're not alone.
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David Faris is an associate professor of political science at Roosevelt University and the author of It's Time to Fight Dirty: How Democrats Can Build a Lasting Majority in American Politics. He is a frequent contributor to Informed Comment, and his work has appeared in the Chicago Sun-Times, The Christian Science Monitor, and Indy Week.
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