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This study investigates the possibility of using Bartle’s player types for gamification
in the context of language learning apps. By taking user preferences into
account, this might assist in selecting the most suitable game elements. Learning
apps are gaining popularity as an innovative method for obtaining an independent
and flexible learning experience. Gamification keeps users motivated and involved
with the content.
After the research on the usage of gamification and its effects on the user, a language
learning app prototype was created. The evaluation consisted of a user test with
interview questions and the short User Experience Questionnaire (UEQ). The Bartle
test of gamer psychology was used to determine the player types of the participants.
The results show that, while player type and gamification preference can partially
coincide, there are too many deviations to confidently say it can be transferred into
gamification contexts. We conclude that game elements should not be chosen based
on a user’s Bartle player type and are more effectively used by incorporating a variety
of different gamification components.
Password-based authentication is widely used online, despite its numerous shortcomings, enabling attackers to take over users’ accounts. Phishing-resistant Fast IDentity Online (FIDO) credentials have therefore been proposed to improve account security and authentication user experience. With the recent introduction of FIDO-based passkeys, industry-leading corporations aim to drive widespread adoption of passwordless authentication to eliminate some of the most common account takeover attacks their users are exposed to. This thesis presents the first iteration of a distributed web crawler measuring the adoption of FIDO-based authentication methods on the web to observe ongoing developments and assess the viability of the promised passwordless future. The feasibility of automatically detecting authentication methods is investigated by analyzing crawled web content. Because today’s web is increasingly client-side rendered, capturing relevant data with traditional scraping methods is challenging. Thus, the traditional approach is compared to the browser-based crawling of dynamic content to optimize the detection rate. The results show that authentication method detection is possible, although there are some limitations regarding accuracy and coverage. Moreover, browser-based crawling is found to significantly increase detection rate.
The idea is quite obvious. Anyone studying “Media Creation
& Management” as part of an international minor
program should not just learn about international management
topics and international media markets in theory,
but also engage in their own media project as part
of an international team of students – in this particular
case, writing and editing as well as layout and production
of a magazine on the topic of international media
management.
This is exactly what 50 students of the International
Media Management class did during the winter term
2022/2023. And the result is the magazine you are now
holding in your hands. The students looked at topics related
to international media management from various
perspectives, analyzed markets and dealt with international
digital and media companies – sometimes using
management tools, sometimes in a more scientific and
sometimes in an entertaining way. The result is a magazine
that is directed at students as well as lecturers and
those responsible for international exchange programs
at universities.
Did the students catch your interest? You can find more
information about the minor program “Media Creation &
Management” at Stuttgart Media University (Hochschule
der Medien) and the idea of studying in Stuttgart in this
magazine or oline with the top QR-Code on the left.
Kind regards and see you in Stuttgart.
Yours
Uwe Eisenbeis
Prof. Dr. Uwe Eisenbeis
Dean of Studies, Program Media Management
The idea ist quite obvious. Anyone studying „Media Creation & Management“ as part of an international minor program should not just learn about international management topics and international media markets in theory, but also engage in their own media project as part of an international team of students – in this particular case, writing and editing as well as layout and production of a magazine on the topic of international media management.
This is exactly what 39 students of the International Media Management class did during the summer term 2023. And the result is the magazine you are now holding in your hands. The students looked at topics related to international media management from various perspectives, analyzed markets and dealt with international digital and media companies – sometimes using management tools, sometimes in a more scientific and sometimes in an entertaining way. The result is a magazine that is directed at students as well as lectures and those responsible for international exchange programs at universities.
Did the students catch your interest? You can find more information about the minor program “Media Creation & Management” at Stuttgart Media University (Hochschule der Medien) and the idea of studying in Stuttgart in this magazine.
The number of people with cognitive impairments increases together with the aging population. Thus, social robots are being researched to aid relieve the nursing
sector as well as to combat cognitive impairments. However, it raises concerns regarding how a social robot should relate to members of this group and what might
be appropriate. In this thesis, research about the current state of social robots has been conducted and focus groups with people from the nursing and medical field were held. To verify the credibility of the results and the scenario developed, final
user tests were conducted with representatives of the target group. When using a
social robot in an interaction with persons who have cognitive disabilities, the robot
should speak and behave more human-like and make use of its facial expressions,
stressing empathy and responding to the person accordingly. Though the situation
of interacting with a social robot may be more significant in future generations.
The idea is quite obvious. Anyone studying “Media
Creation & Management” as part of an international
minor program should not just learn about international
management topics and international media
markets in theory, but also engage in their own media
project as part of an international team of students
– in this particular case, writing and editing as well as
layout and production of a magazine on the topic of
international media management.
This is exactly what 50 students of the International
Media Management class did during the summer term
2022. And the result is the magazine you are now
holding in your hands. The students looked at topics
related to international media management from
various perspectives, analyzed markets and dealt with
international digital and media companies – sometimes
using management tools, sometimes in a more
scientifi c and sometimes in an entertaining way. The
result is a magazine that is directed at students as well
as lecturers and those responsible for international
exchange programs at universities.
Did the students catch your interest? You can fi nd
more information about the minor program “Media
Creation & Management” at Stuttgart Media University
(Hochschule der Medien) and the idea of studying in
Stuttgart in this magazine or oline with the top QRCode
on the left.
Kind regards and see you in Stuttgart.
Yours
Uwe Eisenbeis
Virtual-reality (VR) is an immersive technology with a growing market and many applications for gesture recognition. This thesis presents a VR gesture recognition method using signal processing techniques. The core concept is based on the comparison of motion features in the form of signals between a runtime recording of users and a possible gesture set. This comparison yields a similarity score through which the most similar gesture can be recognized by a continuous recognition system. Some selected comparison methods are presented, evaluated and discussed. An example implementation is demonstrated. However, due to an introduced layer model parts of the method and its implementation are interchangeable.
Similar or even better performance is achieved compared to other related work. The comparison method Dynamic Time Warping (DTW) reaches an average positive recognitions rate of 98.18% with acceptable real-time application performance. Additionally, the method comes with some benefits: position and direction of users is irrelevant, body proportions have no significant negative impact on recognition rates, faster and slower gesture executions are possible, no user inputs are needed to communicate gesture start and end (continuous recognition), also continuous gestures can be recognized, and the recognition is fast enough to trigger gesture specific events already during the execution.
The increasing availability of online video content, partially fueled by the Covid-19 pandemic and the growing presence of social media, adds to the importance of providing audio descriptions as a media alternative to video content for blind and visually impaired people. In order to address concerns as to what can be sufficiently described and how such descriptions can be delivered to users, a concept has been developed providing audio descriptions in multiple levels of detail. Relevant information is incorporated into an XML-based data structure. The concept also includes a process to provide optional explanations to terms and abbreviations, helping users without specific knowledge or people with cognitive concerns in comprehending complex videos. These features are implemented into a prototype based on the Able Player software. By conducting a user test, the benefits of multi-layered audio descriptions and optional explanatory content are evaluated. Findings suggest that the choice of several levels of detail is received positively. Users acknowledged the concept of explanations played parallelly to the video and described further use cases for such a practice. Participants preferred a higher level of detail for a high-paced action video and a lower level for informative content. Possibilities to extend the data structure and features include multilanguage use cases and distributed systems.
Web Accessibility is becoming increasingly important. Guidelines and according tests were created in order to ensure Web Accessibility for everyone. Detailed reports are created in order to advise content creators on this topic. However, these reports can be even more elaborate than the guidelines themselves with their very specific and technical vocabulary and their sheer length. This makes it hard, especially for non-experts, to understand what the results mean and to know where to start.
StroCards is a functional prototype developed to help viewers of Web Accessibility reports understand their contents easier. One way of doing this is by sorting and filtering identified accessibility issues. It can generate charts from the number of failed, passed and not applicable success criteria that highlight aspects that are not explained in the report itself. It can explain the user how well each of the tested website performs in terms of accessibility regarding different responsibilities. One of its key features is generating individual reports for individual responsibilities like e.g. visual design. With this functionality a designer like in this example, could receive a list of issues that are relevant to them without being overwhelmed by issues that they cannot solve. This creates a more efficient handling of the report. Besides displaying the report highlighting project roles, StroCards can have a more human-centered and empathetic approach by showing which user groups are affected and therefore excluded by accessibility issues on the website. This makes the long list of guidelines more tangible – especially for non-experts.
In the process of developing StroCards, some design decisions were made with a group of experts. The implemented functional prototype was tested in a qualitative and quantitative user study. It was perceived as easier to understand and better to work with.
A tool like this could wildly help people maintaining, creating, and developing websites to put these Web Accessibility guidelines into practice and consequently minimize exclusion of people from websites.
Video games have a significant influence on our time. However, lack of accessibility makes it hard for disabled gamers to play most of them. Virtual reality offers new possibilities to include people with disabilities and enable them to play games. Additionally, serious VR games provide educational benefits, such as improved memory and engagement.
In this work, the accessibility problems in video games and VR applications are explored with an emphasis on serious games as well as a general lack of guidelines. An overview of existing guidelines is given. From this, a set of guidelines is derived that summarizes the relevant rules for accessible VR games.
New ways to interact with VR environments come with both opportunities and challenges. This work investigates the applicability of different hands-free input methods to play a VR game. Using a serious game five focus and three activation methods were implemented exemplary with the Oculus Go. The suitability of these methods was analyzed in a pre-study that excluded head movements for controlling the game. The remaining input methods were evaluated in an explorative user study in terms of operability and ease of use.In summary, all tested methods can be used to control the game. The evaluation shows head-tracking as the preferred input method, while scanning eye-tracking and voice control were rated mediocre.
In addition, the correlation between input methods and different menu types was examined, but the influence turned out to be negligible.