While not required for identification, studies using RD design commonly add covariates to the specification to reach a more precise estimate of the treament effect. However, not all the variables that one collects are a priori good controls, and the inclusion of many covariates might actually bias...
Second, we check whether the vote choice across consecutive elections of the same individual involves a shift between parties of a different rank on our left-right ideological spectrum. The resulting variable – henceforth denoted dVote –can take on values −1, 0, or +1. A shift to the ...
The last day to vote early in the Atrium of theLaramie CountyGovernmental Building is Monday, November 7. Voters are being reminded that they will need to bring a Wyoming Driver's License or another accepted form of identification. For a comparison to early and absentee voting in other recent...
to check access. References Abbasi, A. Z., Rehman, U., Hussain, A., Ting, D. H., & Islam, J. U. (2021). The impact of advertising value of in-game pop-up ads in online gaming on gamers’ inspiration: An empirical investigation.Telematics and Informatics,62, 101630.https://doi....
11As a robustness check, we specified two alternative structures: respondents nested within samples, and respondents nested within days nested within samples. The results were virtually identical. 12For ease of presentation, the results from the full model haven been split across three separate tables...
As Trump’s first-100-days milestone nears, his presidency so far marked by unusually low approval ratings, a Supreme Court victory and a failed Republican health care bill — it seems useful to check in with these reluctant Trump voters. They’re a group to watch as the 2018 midte...
“Using identification numbers as a unique identifier to check voters who changed polling stations, I found out that Cowdray Park is one of the most affected constituencies. “There are 13 857 voters whose polling stations were changed, which means they are going to vote at a new polling stati...
MDC Alliance Bulawayo provincial spokesperson Swithern Chirowodza noted: “As if that were not enough, the Registrar General’s office in Bulawayo says it currently does not have enough material to make national identification cards. “One can’t register without a national identification card.” ...
To check matching quality, it is necessary to compare the mean of pre-treatment variables before and after matching to find if any differences remain after conditioning on the PS. Following Stuart and Rubin (2007), we impose for the absolute standardized bias of each covariate to be less than...
To register, people must provide identification. That can be a Pennsylvania driver’s license, a PennDOT ID card number or the last four digits of an applicant’s Social Security number. To confirm a voter’s identity and current address, counties check ID or social security number...