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» Challenges in Participant Recruiting For Usability Testing
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CHI
2007
ACM
14 years 5 months ago
Thinking but not seeing: think-aloud for non-sighted users
This paper discusses some of the methodological challenges that can be encountered when usability testing with visually impaired users. These include (1) the need for customized t...
Philip Strain, A. Dawn Shaikh, Richard Boardman
SOUPS
2009
ACM
13 years 12 months ago
Balancing usability and security in a video CAPTCHA
We present a technique for using content-based video labeling as a CAPTCHA task. Our CAPTCHAs are generated from YouTube videos, which contain labels (tags) supplied by the person...
Kurt Alfred Kluever, Richard Zanibbi
CHI
2004
ACM
14 years 5 months ago
The usability of massively multiplayer online roleplaying games: designing for new users
This study examines the usability challenges faced by new players of massively multiplayer online role-playing games (MMORPGs), one of the fastest-growing segments of the video ga...
Steve Cornett
SOUPS
2010
ACM
13 years 9 months ago
A closer look at recognition-based graphical passwords on mobile devices
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Paul Dunphy, Andreas P. Heiner, N. Asokan