The study used 10-second long silent video clip extracts of debates from 58 gubernatorial elections between 1988 and 2002. Some 264 subjects participated in the study.

• 研究人员将1988年至2002年间共58次州长竞选的辩论录像制作成10秒钟的消声视频剪辑,并邀请264名调查对象参加了实验。