Andrew Gelman
Andrew Gelman

Andrew Gelman is a professor of statistics and political science at Columbia University and author of several books, most recently Bayesian Data Analysis.

Science
Oct. 10 2017 12:05 PMScience Is Imperfect. We Should Admit That.One prominent research journal just updated its description to explain why it won’t be perfect—and that’s great.
Science
March 28 2017 9:00 AMStop Saying White Mortality Is RisingIt’s an argument that relies on misinterpreting the data.
Politics
Jan. 4 2017 7:30 AMThe Bad Research Behind the Bogus Claim That North Carolina Is No Longer a DemocracyNo, North Korea isn’t more democratic than the Tar Heel State.
Science
Nov. 22 2016 6:02 PMStop Saying the Election Was RiggedTrump’s win was always an option, and the theories suggesting otherwise aren’t based on facts.
Politics
Nov. 7 2016 5:40 PMWhat Are the Chances Your Vote Matters?A state-by-state ranking of how likely it is that your vote swings the election. (But you should still vote!)
Science
Oct. 3 2016 1:49 PMWhy Does the Replication Crisis Seem Worse in Psychology?The same problems are facing other fields, too. Here’s why you hear about it most in psychology.
Politics
Aug. 5 2016 3:38 PMTrump’s Up 3! Clinton’s Up 9!Why you shouldn’t be fooled by polling bounces.
The Slatest
June 29 2016 6:48 PMIs Texit the Next Brexit?
Science
Nov. 11 2015 12:38 PMIs the Death Rate Really Increasing for Middle-Aged White Americans?I ran the numbers, and the story isn’t as simple as it seems.
Science
July 24 2013 12:37 PMToo Good to Be TrueStatistics may say that women wear red when they’re fertile … but you can’t always trust statistics.
Future Tense
Sept. 5 2017 7:15 AMWe Need to Move Beyond Election-Focused PollingPolling didn’t fail us in 2016, but what happened made polling’s flaws more apparent. Here’s how to fix that.
Science
Feb. 28 2017 11:34 AMDid Trump Win Because His Name Was First on the Ballot?It might technically be possible, but it’s not probable.
Politics
Dec. 8 2016 3:07 PM19 Lessons for Political Scientists From the 2016 ElectionThe ground game is overrated, the parties don’t decide (and neither do sharks), and other things we’ll need to rethink going forward.
Politics
Nov. 10 2016 3:46 PMTrump Beat Romney by 2 PointsThat’s what won him the election. Here’s why we didn’t know it would happen.
Future Tense
Nov. 1 2016 9:15 AMThe Polls of the Future Are Reproducible and Open SourceThey’re following the scientific push toward transparency, and they’ll put everything else out of business.
Politics
Aug. 31 2016 5:45 AMTrump-Clinton Probably Won’t Be a Landslide. The Economy Says So.Conventional wisdom is that fringe candidates get repudiated, à la 1964 and 1972. The story isn’t so simple.
Moneybox
July 12 2016 11:24 AMSomething’s Odd About the Political Betting MarketsBrexit, Trump—the once-reliable prediction markets have misfired of late. Here’s why.
Science
Jan. 19 2016 8:00 AMThe Power of the “Power Pose”Amy Cuddy’s famous finding is the latest example of scientific overreach.
Science
May 8 2014 11:19 AMThe Paradox of RacismWhy the new book by the New York Times’ Nicholas Wade is both plausible and preposterous.