End-to-end verifiable (E2E) voting systems provide voters with (privacy preserving) receipts of their ballots allowing them to check that their votes were correctly included in the final tally. A number of recent studies and field tests have examined the usability of ballot casting and receipt checking. Simply checking receipts, however, is not enough to… (More)
Research has shown that risk tolerance increases when multiple decisions and associated outcomes are presented together in a broader " bracket " rather than one at a time. The present studies disentangle the influence of problem bracketing (presenting multiple investment options together) from that of outcome bracketing (presenting the aggregated outcomes… (More)
People often underestimate their future personal spending. Across four studies we examined an ''unpacking'' intervention to reduce this bias. Participants predicted spending for an upcoming week (Study 1), a weekend (Study 2a), a vacation (Study 2b), and for weeks versus self-nominated events (Study 3), and subsequently reported actual spending. In each… (More)
BACKGROUND There is stigma attached to the identification of residents carrying antimicrobial resistant organisms (ARO) in long term care homes, yet there is a need to collect data about their prevalence for public health surveillance and intervention purposes. OBJECTIVE We conducted a point prevalence study to assess ARO rates in long term care homes in… (More)
In this paper, we describe one experiment examining how and when individuals assess risk of disclosure of personal health information. Ironically, giving individuals more information about security practices discourages disclosure, in part because thinking about security practices also primes thinking about security breaches.