Wyniki wyszukiwania - BazTech

1

The impact of applying universal design principles on the usability of online accommodation booking websites

Kurek Katarzyna, Skublewska-Paszkowska Maria, Dzienkowsk Mariusz i, Powroznik Paweł

Applied Computer Science

|

2024

|

Vol. 20, no 1

56--71

EN

One of the concepts of human-computer interaction is the usability of websites, consisting of features such as efficiency, satisfaction, memorability, and learnability. Usability is particularly important in the case of websites that the user is expected to learn on their own. The main aim of this study is to evaluate the usability of user interfaces of websites and, based on this, to find how this evaluation is affected by the application of universal design principles. The objects of the study are two websites, one complying with the principles of universal design - created for the purpose of the study, and the other – an existing commercial website operating in the market, which does not follow these principles. Three hypotheses are defined: 1) effectiveness and efficiency of analyzed websites are higher for a service that followed the principles of universal design than a website that did not comply with these rules; 2) the quality of the user interface is greater for the service fulfilling the principles of universal design; 3) the satisfaction with the interaction with the interface is greater in case of websites conformed to the principles of universal design. The study uses two methods: eye tracking and questionnaires. The experiment involves 10 participants who had to perform a scenario consisting of 10 instructions that involved locating various elements in each of the tested GUI interfaces. The eye activity is recorded using a Gazepoint GP3 HD desktop eye tracker, which makes it possible to determine the effectiveness and efficiency values of using the analyzed interfaces. Each participant was also asked to fill out two questionnaires: the Lublin University of Technology one and the Questionnaire for User Interaction Satisfaction. The study proves the truth of the hypotheses, that is, the positive impact of universal design on the usability evaluation of user interfaces.

2

Zastosowanie zasad projektowania uniwersalnego do ulepszenia stron internetowych wybranej uczelni wyższej

Kamiński Tomasz, Kapica Paweł, Dzieńkowski Mariusz

Journal of Computer Sciences Institute

|

2022

|

Vol. 25

401--408

PL

Celem pracy była analiza strony internetowej wybranej uczelni pod względem użyteczności i dostępności interfejsów użytkownika ze szczególnym uwzględnieniem wytycznych zawartych w standardzie WCAG (ang. Web Content Accessibility Guidelines). Po uwzględnieniu wszystkich wytycznych powstała ulepszona prototypowa wersja witryny, która została pozbawiona zdiagnozowanych błędów i niezgodności. Obie witryny zostały przebadane trzema metodami: metodą kwestionariuszową za pomocą listy kontrolnej LUT, z wykorzystaniem techniki okulograficznej oraz automatycznego narzędzia - wtyczki WAVE dołączonej do przeglądarki internetowej. W badaniach ankietowych i okulograficznych wzięło udział 20 uczestników. Dane pozyskane zbadań wykonanych trzema metodamizostały poddane analizie ilościowej. Natomiast wyniki badań eyetrackingowych zostały dodatkowo poddane analizie jakościowej (mapy cieplne, ścieżki skanowania).Wyniki przeprowadzonych analiz jednoznacznie pokazują, że prototypowa witryna przygotowana przez autorów pracy zgodnie z zasadami projektowania uniwersalnegowyraźnie lepiej wypada pod względem użyteczności i dostępności niż witryna wybranej uczelni.

EN

The purpose of the study was to analyze the website of a selected university in terms of usability and accessibility of user interfaces with particular attention to the guidelines of the Web Content Accessibility Guidelines (WCAG) standard. After taking into account all the guidelines, an improved version of the site was created that was free of the diagnosed errors and incompatibilities. Both sites were surveyed using the questionnaire method with the LUT checklist. A survey was also conducted using an eyetracker. Twenty participants took part in this study. The third method of evaluation was to analyze the sites using an automated tool - the WAVE plugin attached to a web browser. The data obtained from the research experiment were analyzed qualitatively and quantitatively. In case of the survey and the WAVE tool, only quantitative analysis was carried out. The results of the analyses carried out using the three methods show unequivocally that the author's website prepared by the authors is clearly better in terms of usability and accessibility than the website of the selected university.

3

Analysis of the usability and accessibility of websites in view of their universal design principles

Badzio Błażej, Bodziak Agnieszka, Brodawka Bartłomiej, Buchajczuk Karol, Skublewska-Paszkowska Maria, Dzieńkowski Mariusz, Powroźnik Paweł

Applied Computer Science

|

2022

|

Vol. 18, no 3

63--85

EN

Universal design is a strategic approach for planning and designing both the products and their environment, aimed at making a given product available to the widest number of possible users. It ensures equality for all of them and the opportunity to participate in the society. This concept is also crucial in the process of designing and developing software. The research was conducted with the use of four services, three of them were implemented for the purpose of this study. Two of them took into consideration the principles of universal design, while the others did not. The aim of the study was verification of the level of usability and accessibility of services by means of three independent methods: the LUT (Lublin University of Technology) checklist, an assessment taking into account WCAG 2.0 (Web Content Accessibility Guidelines) standards using the automatic WAVE evaluation tool (Web Accessibility Evaluation Tool) and a device allowing to track the movement of the eye while performing various tasks on websites. The websites were assessed by twenty experts in the field of creating web application interfaces, using the LUT checklist. The time to the first fixation (TTFF) that it took respondents to look at specific website elements was measured using the eye tracker device and iMotions software. All websites were checked by means of the WAVE tool to detect irregularities and non-compliance with universal design standards. The analysis performed clearly indicated that websites that follow the universal design guidelines were more useful, intuitive and accessible for users. It might be concluded that interfaces allow to find necessary information and perform desired actions in a shorter time when prepared in accordance with the principles of universal design.

4

Content Accessibility Evaluation of Government Website using WCAG (Web Content Accessibility Guidelines)

Dongaonkar Swikruti, Vadali Ramkrishna, Dhutadmal Chandrakant

Annals of Computer Science and Information Systems

|

2017

|

Vol. 10

27--31

EN

A well designed and highly accessible websites are very important for organizations to communicate with different categories of the users in this IT world. It has also became mandatory for various organizations to design websites and offer all its services. Analysis of specific group of government websites across a spectrum shows that there was tremendous need for longitudinal study of website content accessibility. To accomplish this they put heaps of diligent work to represent information on sites which are client driven and can be open easily by the clients having distinctive capacities. This is possible with the help of continuous monitoring by the designers to design websites according to the website content accessibility standards i.e. WCAG(Web Content Accessibility Guidelines). The responsibility of designer or concerned organization is to evaluate the web content accessibility using web content evaluators. These evaluators will generate compliance reports according to which developers can modify their website content as per the need of every user. In this paper, the current scenario of various accessibility checkers and WCAG compliance for government website is analyzed.