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Displaying 1-4 out of 4 total
Perceived Usability Evaluation of Learning Management Systems: A First Step towards Standardization of the System Usability Scale in Greek
2012 16th Panhellenic Conference on Informatics (PCI)
By Christos Katsanos,Nikolaos Tselios,Michalis Xenos
Issue Date:October 2012
Perceived usability is an important requirement of educational software, affecting greatly student's learning effectiveness and overall learning experience. Although the System Usability Scale (SUS) questionnaire is considered as a de facto standard for pe...
Effectiveness of a Framed Wiki-Based Learning Activity in the Context of HCI Education
Informatics, Panhellenic Conference on
By Nikolaos Tselios,Panagiota Altanopoulou,Christos Katsanos
Issue Date:October 2011
In this paper, the effectiveness of a framed wiki-based learning activity is investigated. A one-group pretest -- posttest study was conducted towards this aim. The study involved 36 first year university students of a Greek Education Department using wiki...
Effortless tool-based evaluation of web form filling tasks using keystroke level model and fitts law
Found in: CHI '13 Extended Abstracts on Human Factors in Computing Systems (CHI EA '13)
By Christos Katsanos, Michalis Xenos, Nikolaos Karousos, Nikolaos Tselios
Issue Date:April 2013
Usability of interactive web forms is a critical aspect of the overall user experience. In this paper, a tool to automatically evaluate web form filling tasks is presented. The tool carries out Keystroke Level Model symbolic calculations of the time requir...
AutoCardSorter: designing the information architecture of a web site using latent semantic analysis
Found in: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems (CHI '08)
By Christos Katsanos, Nikolaos Avouris, Nikolaos Tselios
Issue Date:April 2008
In this paper, we describe an innovative tool that supports the design and evaluation of the information architecture of a Web site. The tool uses Latent Semantic Analysis and hierarchical clustering algorithms to provide optimal information navigation sch...
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