“…Their study found that personal interview surveys are more susceptible to this Downloaded by [Temple University Libraries] at 00:20 05 June 2016 kind of bias than are self-administered surveys. Researchers who have compared responses to interviewer-administered surveys (phone or face to face) and self-administered surveys (mailed or dropped off) in probability samples drawn from the same sampling frame and administered in the same time frame have reported significant differences by mode in reports of drug use and illegal activity (Aquilino & LoSciuto, 1990); personal health status and chronic conditions (McHorney, Kosinski, & Ware, 1994;Siemiatycki, Campbell, Richardson, & Aubert, 1984); quality of life, crime, and safety (Krysan, Schuman, Scott, & Beatty, 1994); and punishment of criminals (Farnworth, Bennett, & West, 1996). These studies have concluded that respondents are more forthright in exposing sensitive information or attitudes in self-administered surveys.…”