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Jamie184

: Looking for usability studies of user authentication methods and interfaces, do you know of any? Been having issues with stackexchange creating weird usernames for me and grouping them with my

@Jamie184

Posted in: #Authentication #Research #Security #Standards #Usability

Been having issues with stackexchange creating weird usernames for me and grouping them with my account, it appears to be a known issue, and emailed the stackexchange team... which leads me to my questions, I'm looking for usability studies of user authentication methods and interfaces, do you know of any?

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@Sue5673885

I can tell you from our experience that OpenID is a giant impediment to signups. I don't have hard numbers to back that up, only anecdotal advice from


complaints about openid on message boards any time a tangential reference to stackoverflow.com was mentioned
customer's insistence when stackexchange 1.0 was first released that a username/password auth method was critical
personal experience


At the Business of Software 2010 conference, one of the attendees had done an A/B test to guage the adoption of OpenID vs. google, facebook, and username/password. The only statistic I remember is that of the 1500 data points for signups, zero were from OpenID.

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