Are Vaccine Polls Flawed?

Two widely followed surveys “significantly overestimated” how many American adults got their first dose of a Covid-19 vaccine last spring, says an article in the scientific journal Nature that was published online on Wednesday. The surveys have large numbers of participants but nevertheless aren’t representative of the U.S. adult population, […] Read more »

Selection in Surveys

We evaluate how nonresponse affects conclusions drawn from survey data and consider how researchers can reliably test and correct for nonresponse bias. To do so, we examine a survey on labor market conditions during the COVID-19 pandemic that used randomly assigned financial incentives to encourage participation. We link the survey […] Read more »

Retirements as Cause or Effect?

With news Monday that yet another House Democrat, Rep. Tom Suozzi, is declining to run for reelection, there was a new onset of shivers down the spines of Democrats on Capitol Hill. The New York member, who represents a Democratic-leaning Long Island district, is the 18th Democrat to declare that […] Read more »