Date of Original Version

10-2013

Type

Conference Proceeding

Abstract or Description

Background. The security and privacy communities have become increasingly interested in results from behavioral economics and psychology to help frame decisions so that users can make better privacy and security choices. One such result in the literature suggests that cognitive disfluency (presenting questions in a hard-to-read font) reduces self-disclosure. (A. L. Alter and D. M. Oppenheimer. Suppressing secrecy through metacognitive ease cognitive fluency encourages self-disclosure. Psychological science, 20(11):1414-1420, 2009)

Aim. To examine the replicability and reliability of the effect of disfluency on self-disclosure, in order to test whether such approaches might be used to promote safer security and privacy behaviors.

Method. We conducted a series of survey studies on human subjects with two conditions - disfluent and fluent font. The surveys were completed online (390 participants throughout the United States), on tablets (93 students) and with pen and paper (three studies with 89, 61, and 59 students). The pen and paper studies replicated the original study exactly. We ran an independent samples t-test to check for significant differences between the averages of desirable responses across the two conditions.

Results. In all but one case, participants did not show lower self-disclosure rates under disfluent conditions using an independent samples t-test. We re-analyzed the original data and our data using the same statistical test (paired t-test) as used in the original paper, and only the data from the original published studies supported the hypothesis.

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Published In

Proceedings of LASER 2013.