Monthly Archives: November 2016

Improving the usability of online usability surveys with an interactive Stripe scale

Posted on by

Matevž Pesek, Alja Isakovic, Gregor Strle, Matija Marolt
University of Ljubljana, Faculty of Computer and Information Science, Laboratory for Computer graphics and Multimedia, Večna Pot 113, 1000 Ljubljana, Slovenia

Abstract: The paper introduces Stripe, an interactive continuous scale for online surveys that makes it easy to compare multiple answers on a single screen. The Stripe is evaluated as an alternative to the n-point Likert scale, which is commonly used in online usability questionnaires like the System Usability Scale (SUS). The paper presents the results of a user study, which confirmed the validity of results gained with the proposed Stripe interface by applying both the Stripe and the Likert interface to an online SUS questionnaire. Additionally, the results of our study show that the participants favor the Stripe interface in terms of intuitiveness and ease of use, and even perceive the Stripe interface as less time consuming than the standard Likert scaled interface based on radio buttons.

Presentation: 
Loader Loading...
EAD Logo Taking too long?

Reload Reload document
| Open Open in new tab

Full paper: link

Redesign of Slovenian Avalanche Bulletin

Posted on by

Vanja Blažica, Janez Jaka Cerar, Aleš Poredoš
Slovenian Environment Agency, Vojkova 1b, 1000 Ljubljana, Slovenia

Abstract: We present the redesign of the Slovenian avalanche bulletin, published regularly during the winter season to warn against avalanche danger and to provide specific information for advanced users. The former version included an estimation of danger on a scale from one to five with supporting text for the whole country, while the new one offers an additional graphical description, specified for several geographical regions. The redesign profoundly influenced the work of avalanche forecasters by introducing a new interface, additional input and database storage. At the same time, users welcomed the additional information, international comparability and user friendliness of the new bulletin.

Presentation: 
Loader Loading...
EAD Logo Taking too long?

Reload Reload document
| Open Open in new tab

Full paper: link

Designing visual interface for nutrition tracking of patients with Parkinson’s disease

Posted on by

Peter Novak, Barbara Koroušić Seljak, Franc Novak
Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia

Abstract: In this paper, we describe the design of a visual interface of a mobile a mobile app for tracking nutrients and foods consumed by patients with Parkinson’s disease. The interface should enable the patients to recognize objects on the screen, easily perceive their function and interact with them thus providing an efficient way of entering the dietary intake data. The app has been validated by five patients and the preliminary results are encouraging.

Presentation: 
Loader Loading...
EAD Logo Taking too long?

Reload Reload document
| Open Open in new tab

Full paper: link

 

3D serious games for Parkinson’s disease management

Posted on by

Bojan Blažica, Franc Novak, Anton Biasizzo
Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia
Ciril Bohak
Faculty for Computer and Information Science, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia

Abstract: The aim of the article is to show how off-the-shelve equipment can be used to develop serious games for an affordable tele-medicine solution for Parkinson’s disease management. Two games have been developed aimed at assessing and training patient’s reach of upper limbs (using Kinect v2) and fine motoric skills of fingers (using Leap motion). The games collect player data in terms of score achieved and full kinematics of movement during gameplay. The data is stored online and made available to therapists and doctors through a secure connection. The games have been tested with patients within the Soča rehabilitation institute as well as at their homes.

Presentation: 
Loader Loading...
EAD Logo Taking too long?

Reload Reload document
| Open Open in new tab

Full paper: link