Statistical Analysis of Dice CAPTCHA Usability
This addresses usability issues for Internet users, but it is incremental as it focuses on a specific CAPTCHA type without major innovations.
The paper analyzed the usability of Dice CAPTCHA by conducting an experiment with 190 Internet users on laptop and tablet computers, and statistically processed the results to draw conclusions about its use.
In this paper the elements of the CAPTCHA usability are analyzed. CAPTCHA, as a time progressive element in computer science, has been under constant interest of ordinary, professional as well as the scientific users of the Internet. The analysis is given based on the usability elements of CAPTCHA which are abbreviated as user-centric approach to the CAPTCHA. To demonstrate it, the specific type of Dice CAPTCHA is used in the experiment. The experiment is conducted on 190 Internet users with different demographic characteristics on laptop and tablet computers. The obtained results are statistically processed. At the end, the results are compared and conclusion of their use is drawn.