Brian Schaffner

@bfschaffner.bsky.social

Political scientist ~ Newhouse Professor of Civic Studies at Tufts ~ CES Whisperer ~ #COYS #GoDawgs

Nice post from Elliott here walking through why this screen is not a perfect LV screen but it's useful. The long and short is screening out all people who say they won't vote undersamples those people (lots of them vote) and oversamples people who say they will definitely vote (lots of them don't)

G Elliott Morris@gelliottmorris.com · 2w ago

Likely voters for this year's midterms lean more Democratic than registered voters or all adults, a change from last cycle. Democrats are +9 among self-described likely voters in this month's Strength In Numbers/Verasight poll, vs +7 among RVs. www.gelliottmorris.com/p/2026-07-22...

“Americans have been told for at least two decades that they share less and less, while the data show the actual overlap holding roughly steady,” the political scientists Brian Schaffner and Stephen Ansolabehere write.

Opinion | No One Wants to Hear It, but Maybe We’re Not That Polarized

Americans have been told for at least two decades that they share less and less, while the data show the actual overlap holding roughly steady.

nyti.ms

I don't know what the phrase is when your nephew is a lot like you, but my nephew was in @bfschaffner.bsky.social's methods class this semester and did an interesting study on ideological extremity and politicians raising money and being mean on the internet. tufts-pol.medium.com/who-is-drivi...

Who is driving polarization? The role of ideological extremity in communication and funding

by Fatima Eisa (‘26), Shayna Levy (‘28), Chloe Walker (‘28), and Eliot Wertheimer (‘29)

tufts-pol.medium.com

in conjunction with this report, we are also today releasing the data for the 2025 CES common content. includes interviews with 17,000 American adults conducted in late 2025. dig in! doi.org/10.7910/DVN/...

doi.org

Brian Schaffner@bfschaffner.bsky.social · 4mo ago

there's a new report out from YouGov using CES data to plot trends in partisanship over the past two decades. i've got a piece up today in @goodauth.bsky.social summarizing some key findings. check out both! GA piece: goodauthority.org/news/long-st... YouGov report: yougov.com/en-us/articl...