title: Two Implications of Survey Research Mode during War: Evidence from Russia's Full-Scale Invasion of Ukraine
abstract: Conducting social science research during an active war raises distinct challenges. To investigate the relationship between mode and both coverage and social desirability bias during wartime, I conduct a multi-mode study (web, telephone) with two independently drawn samples of the Ukrainian population during Russia's full-scale invasion of Ukraine in the summer of 2022. I employ identical demographic and behavioral questions in both surveys to examine coverage bias and pre-register a framing exp