The Science of Politics

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When partisanship forms our identity Oct 19, 2022

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We seem to have become partisan animals, with Republican or Democratic identification now tied to all of our other social identities and political attitudes. In the height of the campaign season, Americans start to define ourselves based on our partisan side, changing our views to reinforce our identity. Emily West finds that partisan identity is heightened as Election Day approaches and can be made more or less salient in experiments. When partisan identity is brought to the top of the mind, Republicans become more racially resentful--matching their party norm. But induced partisan identity does not explain affective polarization. We don’t seem to hate each other because partisanship is part of our identity. So ideological considerations and other factors still matter for producing and sustaining opposition to the other party and our own partisan identity. It all tends to be self-reinforcing, but there are times and interactions that can dampen the cycle.

How Misperceptions and Online Norms Drive “Cancel Culture” Oct 05, 2022

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How Misperceptions and Online Norms Drive “Cancel Culture” by Niskanen Center

When Information About Candidates Persuades Voters Sep 21, 2022

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As voters are inundated with campaign advertising and news coverage, can they learn key information through all the noise? Joshua Kalla tests hundreds of messages on thousands of voters in the 2020 presidential election, finding that voters can be persuaded, especially with specific information about Biden. Kevin DeLuca finds that more high quality candidates, like those endorsed by newspapers, are still winning at high rates. Despite strong partisanship, voters do learn from campaigns and are willing to shift their votes in response to what they learn.

When Public Opinion Goes to the Ballot Box Sep 07, 2022

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Public opinion polls often show large majorities in favor of hypothetical changes in public policy, such as universal background checks for gun purchases. But when voters have the opportunity to enact those changes in ballot measure initiative campaigns, the results are usually much closer. Jonathan Robinson finds that state public opinion is related to initiative voting results, but large majorities are substantially reduced. Part of the reason is status quo bias: the electoral context makes it clear that voters are being asked to change current law. Robinson is a political practitioner engaged in scholarship, who merges the perspectives of both worlds. As co-author of a major report on voter turnout and vote swings in 2020, he also looks ahead to 2022.

How primary elections enable polarized amateurs Aug 24, 2022

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In the 2022 primary elections, many incumbent legislators have lost their seats to more extreme candidates, and Trump-endorsed newcomers are winning races against established professionals. Both are the culmination of ongoing trends. Rachel Porter finds that primary electorates, especially on the Republican side, are far more extreme than general electorates. And primary voters have increasingly been preferring amateur candidates over experienced politicians, partially because those candidates can now raise early national money. While that can mean more diversity in the candidate pool, it may also drive congressional dysfunction.

Is democracy declining in the American states? Aug 10, 2022

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Federalism is supposed to allow policy to vary with local opinion and circumstances. But American politics has nationalized, with many seeing states as arenas for national political debates among partisan networks rather than opportunities for state-specific solutions. And states are even fighting about the basic ground rules of democracy. Jacob Grumbach finds that nationalization made state policy respond more to party control, with legislators responding to activist donors over public opinion, states copying electorally successful policies only from states controlled by the same party, & Republican states causing democratic backsliding.

The past and future of polling Jul 20, 2022

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The polls were off more than usual in the last presidential election and the polling industry is suffering from low response rates, mode changes, and unrepresentative samples. But G. Elliott Morris finds that polling has long been vital for democracy and has mostly been improving over time. Pollsters have always had to adapt to new challenges and are doing so again. Given the benefits for prediction and for the knowledge of scholars and political leaders, we have to get it as close to right as we can. That starts with acknowledging the difficulties and lowering our expectations for precision.

Why the baby boomers rule American politics Jun 29, 2022

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A diverse young generation is ready to change our politics and culture, but our congressional leadership and presidential options remain geriatric. It's not just the normal politics of aging: the baby boomer generation has maintained extraordinary power and influence throughout its life course. Kevin Munger finds that generational conflict is inevitable as the baby boomers retire but maintain their political influence against much more diverse, less religious, and more liberal rising generations. The institutions boomers built are losing credibility, but we should not expect their power to wane.

Did the Birchers win after all? Jun 15, 2022

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Did the Birchers win after all? by Niskanen Center

How much are polls misrepresenting Americans? Jun 01, 2022

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Declining response rates for polls mean we must rely on the shrinking minority of Americans that agree to be interviewed to represent the broader public. Josh Clinton finds that Democrats were more likely to agree to be interviewed than Republicans or Independents in 2020. Common corrections could not compensate, as the partisans who do respond aren’t representative of those who don’t. Amnon Cavari finds that the people who refuse to participate in polls are less educated and less interested in politics. This means our measures of polarization overestimate partisan differences by speaking only to the highly engaged. We rely on public opinion surveys, but small response biases can paint a misleading picture. Guests: Josh Clinton, Vanderbilt University; Amnon Cavari, Reichman University Studies: “Reluctant Republicans, Eager Democrats?” and “Survey Nonresponse and Mass Polarization.”

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