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  1. Article ; Online: Personalization of the Learning Path within an Augmented Reality Spatial Ability Training Application Based on Fuzzy Weights.

    Papakostas, Christos / Troussas, Christos / Krouska, Akrivi / Sgouropoulou, Cleo

    Sensors (Basel, Switzerland)

    2022  Volume 22, Issue 18

    Abstract: Adaptive systems and Augmented Reality are among the most promising technologies in teaching and learning processes, as they can be an effective tool for training engineering students' spatial skills. Prior work has investigated the integration of AR ... ...

    Abstract Adaptive systems and Augmented Reality are among the most promising technologies in teaching and learning processes, as they can be an effective tool for training engineering students' spatial skills. Prior work has investigated the integration of AR technology in engineering education, and more specifically, in spatial ability training. However, the modeling of user knowledge in order to personalize the training has been neither sufficiently explored nor exploited in this task. There is a lot of space for research in this area. In this work, we introduce a novel personalization of the learning path within an AR spatial ability training application. The aim of the research is the integration of Augmented Reality, specifically in engineering evaluation and fuzzy logic technology. During one academic semester, three engineering undergraduate courses related to the domain of spatial skills were supported by a developed adaptive training system named PARSAT. Using the technology of fuzzy weights in a rule-based decision-making module and the learning theory of the Structure of the Observed Learning Outcomes for the design of the learning material, PARSAT offers adaptive learning activities for the students' cognitive skills. Students' data were gathered at the end of the academic semester, and a thorough analysis was delivered. The findings demonstrated that the proposed training method outperformed the traditional method that lacked adaptability, in terms of domain expertise and learning theories, considerably enhancing student learning outcomes.
    MeSH term(s) Augmented Reality ; Humans ; Knowledge ; Learning ; Spatial Navigation ; Students
    Language English
    Publishing date 2022-09-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s22187059
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Enriching Mobile Learning Software with Interactive Activities and Motivational Feedback for Advancing Users’ High-Level Cognitive Skills

    Christos Troussas / Akrivi Krouska / Cleo Sgouropoulou

    Computers, Vol 11, Iss 18, p

    2022  Volume 18

    Abstract: Mobile learning is a promising form of digital education to access learning content through modern handheld devices. Through mobile learning, students can learn using smartphones, connected to the Internet, without having restrictions posed by time and ... ...

    Abstract Mobile learning is a promising form of digital education to access learning content through modern handheld devices. Through mobile learning, students can learn using smartphones, connected to the Internet, without having restrictions posed by time and place. However, such environments should be enriched with sophisticated techniques so that the learners can achieve their learning goals and have an optimized learning experience. To this direction, in this paper, presents a mobile learning software which delivers interactive activities and motivational feedback to learners with the aim of advancing their higher level cognitive skills. In more detail, the mobile application employs two theories, namely Bloom’s taxonomy and the taxonomy of intrinsic motivations by Malone and Lepper. Bloom’s taxonomy is used for the design of interactive activities that belong to varying levels of complexity, i.e., remembering, understanding, applying, analyzing, evaluating, and creating. Concerning motivational feedback, the taxonomy of intrinsic motivations by Malone and Lepper is used, which identifies four major factors, namely challenge, curiosity, control, and fantasy, and renders the learning environment intrinsically motivating. As a testbed for our research, the presented mobile learning system was designed for the teaching of a primary school course; however, the incorporated taxonomies could be adapted to the tutoring of any course. The mobile application was evaluated by school students with very promising results.
    Keywords Bloom’s taxonomy ; learning activities ; mobile learning ; Malone and Lepper’s taxonomy ; motivational feedback ; taxonomy of intrinsic motivations ; Electronic computers. Computer science ; QA75.5-76.95
    Subject code 370
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Editorial: Artificial intelligence techniques for personalized educational software.

    Troussas, Christos / Krouska, Akrivi / Kabassi, Katerina / Sgouropoulou, Cleo / Cristea, Alexandra I

    Frontiers in artificial intelligence

    2022  Volume 5, Page(s) 988289

    Language English
    Publishing date 2022-08-10
    Publishing country Switzerland
    Document type Editorial
    ISSN 2624-8212
    ISSN (online) 2624-8212
    DOI 10.3389/frai.2022.988289
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Mobile game-based learning as a solution in COVID-19 era: Modeling the pedagogical affordance and student interactions.

    Krouska, Akrivi / Troussas, Christos / Sgouropoulou, Cleo

    Education and information technologies

    2021  Volume 27, Issue 1, Page(s) 229–241

    Abstract: The closure of educational institutions due to the COVID-19 pandemic leads imperatively to the utilization of technological advances and the Internet for enabling the continuity of learning. To this direction, Mobile Game-based Learning (MGbL) can be ... ...

    Abstract The closure of educational institutions due to the COVID-19 pandemic leads imperatively to the utilization of technological advances and the Internet for enabling the continuity of learning. To this direction, Mobile Game-based Learning (MGbL) can be beneficial to teaching and learning; since, from technological perspective, most students prefer to use their mobile devices, such as smartphones or tablets, and from pedagogical perspective, incorporating gaming in educational process can boost students' motivation for learning and improve their learning outcomes. Hence, this study investigates learners' intention to use MGbL as an alternative educational practice during the COVID-19 pandemic, by modeling the pedagogical affordance of this technology and student interactions with it. As a testbed for this research, a MGbL application was used for the instruction of the programming language C# in higher education, during the lockdown period of 2020. The findings reveal that the MGbL technology has a significant and positive impact on student engagement and academic performance.
    Language English
    Publishing date 2021-07-23
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2001930-0
    ISSN 1573-7608 ; 1360-2357
    ISSN (online) 1573-7608
    ISSN 1360-2357
    DOI 10.1007/s10639-021-10672-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Measuring User Experience, Usability and Interactivity of a Personalized Mobile Augmented Reality Training System.

    Papakostas, Christos / Troussas, Christos / Krouska, Akrivi / Sgouropoulou, Cleo

    Sensors (Basel, Switzerland)

    2021  Volume 21, Issue 11

    Abstract: Innovative technology has been an important part of firefighting, as it advances firefighters' safety and effectiveness. Prior research has examined the implementation of training systems using augmented reality (AR) in other domains, such as welding, ... ...

    Abstract Innovative technology has been an important part of firefighting, as it advances firefighters' safety and effectiveness. Prior research has examined the implementation of training systems using augmented reality (AR) in other domains, such as welding, aviation, army, and mathematics, offering significant pedagogical affordances. Nevertheless, firefighting training systems using AR are still an under-researched area. The increasing penetration of AR for training is the driving force behind this study, and the scope is to analyze the main aspects affecting the acceptance of AR by firefighters. The current research uses a technology acceptance model, extended by the external constructs of perceived interactivity and personalization, to consider both the system and individual level. The proposed model was evaluated by a sample of 200 users, and the results show that both the external variables of perceived interactivity and perceived personalization are prerequisite factors in extending the TAM model. The findings reveal that the usability is the strongest predictor of firefighters' behavioral intentions to use the AR system, followed by the ease of use with smaller, yet meaningful, direct and indirect effects on firefighters' intentions. The identified acceptance factors help AR developers enhance the firefighters' experience in training operations.
    MeSH term(s) Augmented Reality ; Firefighters ; Humans ; Intention
    Language English
    Publishing date 2021-06-04
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s21113888
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Improving Learner-Computer Interaction through Intelligent Learning Material Delivery Using Instructional Design Modeling.

    Troussas, Christos / Krouska, Akrivi / Sgouropoulou, Cleo

    Entropy (Basel, Switzerland)

    2021  Volume 23, Issue 6

    Abstract: This paper describes an innovative and sophisticated approach for improving learner-computer interaction in the tutoring of Java programming through the delivery of adequate learning material to learners. To achieve this, an instructional theory and ... ...

    Abstract This paper describes an innovative and sophisticated approach for improving learner-computer interaction in the tutoring of Java programming through the delivery of adequate learning material to learners. To achieve this, an instructional theory and intelligent techniques are combined, namely the Component Display Theory along with content-based filtering and multiple-criteria decision analysis, with the intention of providing personalized learning material and thus, improving student interaction. Until now, the majority of the research efforts mainly focus on adapting the presentation of learning material based on students' characteristics. As such, there is free space for researching issues like delivering the appropriate type of learning material, in order to maintain the pedagogical affordance of the educational software. The blending of instructional design theories and sophisticated techniques can offer a more personalized and adaptive learning experience to learners of computer programming. The paper presents a fully operating intelligent educational software. It merges pedagogical and technological approaches for sophisticated learning material delivery to students. Moreover, it was used by undergraduate university students to learn Java programming for a semester during the COVID-19 lockdown. The findings of the evaluation showed that the presented way for delivering the Java learning material surpassed other approaches incorporating merely instructional models or intelligent tools, in terms of satisfaction and knowledge acquisition.
    Language English
    Publishing date 2021-05-26
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2014734-X
    ISSN 1099-4300 ; 1099-4300
    ISSN (online) 1099-4300
    ISSN 1099-4300
    DOI 10.3390/e23060668
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Enhancing Human-Computer Interaction in Digital Repositories through a MCDA-Based Recommender System

    Christos Troussas / Akrivi Krouska / Cleo Sgouropoulou

    Advances in Human-Computer Interaction, Vol

    2021  Volume 2021

    Abstract: Digital repositories contain a large amount of content, which is available to heterogeneous groups of people. As such, in many cases people encounter difficulties in finding specific content which is related to their preferences. In view of this ... ...

    Abstract Digital repositories contain a large amount of content, which is available to heterogeneous groups of people. As such, in many cases people encounter difficulties in finding specific content which is related to their preferences. In view of this compelling need and towards advancing human-computer interaction, this paper presents a recommender system which is incorporated in a digital repository. The recommender system is designed using multiple-criteria decision analysis (MCDA) and more specifically the weighted sum model (WSM) in order to refine the delivered content to the users. It also considers several users’ characteristics (their preferences as depicted by the content they visited or searched and by the frequency of searches/visits) and features of the content (content types and traffic). The recommender system outputs the suggestions of content to users based on their preferences and interests. The presented recommender system was evaluated by real users, and the results show a high degree of accuracy in the recommended content and satisfaction by users.
    Keywords Electronic computers. Computer science ; QA75.5-76.95
    Subject code 302 ; 303
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher Hindawi Limited
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: A Cognitive Diagnostic Module Based on the Repair Theory for a Personalized User Experience in E-Learning Software

    Akrivi Krouska / Christos Troussas / Cleo Sgouropoulou

    Computers, Vol 10, Iss 140, p

    2021  Volume 140

    Abstract: This paper presents a novel cognitive diagnostic module which is incorporated in e-learning software for the tutoring of the markup language HTML. The system is responsible for detecting the learners’ cognitive bugs and delivering personalized guidance. ... ...

    Abstract This paper presents a novel cognitive diagnostic module which is incorporated in e-learning software for the tutoring of the markup language HTML. The system is responsible for detecting the learners’ cognitive bugs and delivering personalized guidance. The novelty of this approach is that it is based on the Repair theory that incorporates additional features, such as student negligence and test completion times, in its diagnostic mechanism; also, it employs a recommender module that suggests students optimal learning paths based on their misconceptions using descriptive test feedback and adaptability of learning content. Considering the Repair theory, the diagnostic mechanism uses a library of error correction rules to explain the cause of errors observed by the student during the assessment. This library covers common errors, creating a hypothesis space in that way. Therefore, the test items are expanded, so that they belong to the hypothesis space. Both the system and the cognitive diagnostic tool were evaluated with promising results, showing that they offer a personalized experience to learners.
    Keywords adaptive content ; diagnostic model ; error diagnosis ; learner experience ; personalized guidance ; repair theory ; Electronic computers. Computer science ; QA75.5-76.95
    Subject code 401
    Language English
    Publishing date 2021-10-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Improving Learner-Computer Interaction through Intelligent Learning Material Delivery Using Instructional Design Modeling

    Christos Troussas / Akrivi Krouska / Cleo Sgouropoulou

    Entropy, Vol 23, Iss 668, p

    2021  Volume 668

    Abstract: This paper describes an innovative and sophisticated approach for improving learner-computer interaction in the tutoring of Java programming through the delivery of adequate learning material to learners. To achieve this, an instructional theory and ... ...

    Abstract This paper describes an innovative and sophisticated approach for improving learner-computer interaction in the tutoring of Java programming through the delivery of adequate learning material to learners. To achieve this, an instructional theory and intelligent techniques are combined, namely the Component Display Theory along with content-based filtering and multiple-criteria decision analysis, with the intention of providing personalized learning material and thus, improving student interaction. Until now, the majority of the research efforts mainly focus on adapting the presentation of learning material based on students’ characteristics. As such, there is free space for researching issues like delivering the appropriate type of learning material, in order to maintain the pedagogical affordance of the educational software. The blending of instructional design theories and sophisticated techniques can offer a more personalized and adaptive learning experience to learners of computer programming. The paper presents a fully operating intelligent educational software. It merges pedagogical and technological approaches for sophisticated learning material delivery to students. Moreover, it was used by undergraduate university students to learn Java programming for a semester during the COVID-19 lockdown. The findings of the evaluation showed that the presented way for delivering the Java learning material surpassed other approaches incorporating merely instructional models or intelligent tools, in terms of satisfaction and knowledge acquisition.
    Keywords adaptive learning material delivery ; Component Display Theory ; content-based filtering ; Intelligent Tutoring Systems ; Multiple-Criteria Decision Analysis ; online learning ; Science ; Q ; Astrophysics ; QB460-466 ; Physics ; QC1-999
    Subject code 004
    Language English
    Publishing date 2021-05-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Editorial

    Christos Troussas / Akrivi Krouska / Katerina Kabassi / Cleo Sgouropoulou / Alexandra I. Cristea

    Frontiers in Artificial Intelligence, Vol

    Artificial intelligence techniques for personalized educational software

    2022  Volume 5

    Keywords personalized software ; human-computer interaction ; augmented intelligence ; intelligent techniques ; artificial intelligence ; intelligent tutoring systems ; Electronic computers. Computer science ; QA75.5-76.95
    Language English
    Publishing date 2022-08-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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