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Session Overview
Session
16 SES 04 B: Using Chatbots and VR Displays
Time:
Wednesday, 23/Aug/2023:
9:00am - 10:30am

Session Chair: Stefanie A. Hillen
Location: Gilmorehill Halls (G12), 217B [Lower Ground]

Capacity: 20 persons

Paper Session

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Presentations
16. ICT in Education and Training
Paper

Using Chatbots to Foster Students’ Self-Regulated Learning in a Flipped Classroom: A Mixed-Methods Study

Sharon Tan Bee Wah, David Kwok

Republic Polytechnic, Singapore

Presenting Author: Tan Bee Wah, Sharon

A flipped classroom is a blended instructional approach in which the in-class lecture is shifted to before-class learning using videos or other forms of online learning to free up in-class time for students to discuss issues, practise, or apply knowledge (Bergmann & Sams, 2014). A persistent problem with implementing flipped classroom is that, without proper guidance or assistance, students lacked the engagement and self-regulation skills to complete online learning activities before class, and hence failed to learn effectively in the following in-class lessons (Mason et al., 2013).

In an online learning environment, promoting students’ self-regulated learning (SRL) through planning, goal setting, organising, self-monitoring and self-evaluating during the learning process is imperative (Zimmerman, 1990). The theoretical framework of SRL is underpinned by three components of SDL identified as: (1) metacognitive strategies; (2) task management and control; and (3) cognitive strategies to learn the materials (Pintrich & DeGroot, 1990). Previous research has reported that motivational beliefs are positively associated with SRL (Credé & Phillips, 2011).

With the advancement of Artificial Intelligence (AI) technology, chatbot has gained prominence in education and regarded as a useful tool to provide personalised guidance, support or feedback to support students’ learning. There is a growing body of evidence on the use of chatbots to promote students’ SRL in an online environment (Du & Hew, 2021; Hew et al., 2022; Song & Kim, 2020). Other previous studies have reported that the use of chatbot-based learning have contributed to higher students’ learning achievements, self-efficacy, learning attitude (Lee et al., 2022), intrinsic motivation (Yin et al., 2021) and critical thinking (Chang et al., 2022).

In recent years, scholars have highlighted that there is a lack of studies to investigate the effectiveness of learning designs or learning strategies using chatbots (Chen et al., 2020). To date, there is a paucity of studies on chatbot-based learning which investigates the motivational factors that influence students’ SRL in the flipped classroom, particularly with using a critical thinking module and mixed-methods research methodology. Therefore, this present study is an attempt to address this gap in the literature by employing a chatbot combining with worksheet scaffold to investigate the extent to which motivational factors can influence students’ SRL before-class. Understanding the motivational factors that impact students’ SRL using chatbots in the flipped classroom is crucial for researchers and educators to reflect upon, and develop better learning approaches or interventions to support students’ learning in the future.

Specifically, we formulated the following research questions to guide in the data analysis:

RQ1: To what extent does the four motivational variables (i.e. intrinsic goal orientation, extrinsic goal orientation, task value and self-efficacy) correlate with SRL among students using chatbots?;

RQ2: To what extent do the four motivational variables (intrinsic goal orientation, extrinsic goal orientation, task value and self-efficacy) predict SRL for students using chatbots?;

RQ3: Based on the interviews, what are the students’ perspectives of their learning experiences in using chatbots?; and

RQ4: In what ways do the interview data reporting students’ perspectives of their learning experiences in using chatbots help to explain the quantitative results in the online questionnaire?


Methodology, Methods, Research Instruments or Sources Used
This study employed an explanatory sequential mixed-methods design, where data were collected in two phases via online questionnaires (N=72) and follow-up with individual semi-structured interviews (N=9). This research design allows the use of qualitative findings to provide an in-depth explanation of the quantitative findings (Creswell & Clark, 2018).

The self-report online questionnaire was intended to measure five variables i.e. intrinsic goal orientation, extrinsic goal orientation, task value, self-efficacy and SRL. Based on the expectancy-value theory and achievement goal theory, these five variables were measured using selected subscales in the Motivated Strategies for Learning Questionnaire (MSLQ) developed by Pintrich et al. (1991). In particular, the metacognitive self-regulation subscale in the MSLQ was adopted as a measure of SRL. It assesses the extent to which learners utilise planning, monitoring, and regulating strategies for learning. All items in the study variables were measured on a 7-point Likert scale ranging from “1 = strongly disagree” and “7 = strongly agree”.

Participants were first-year polytechnic students undertaking the Critical Thinking and Problem-Solving module. A flipped classroom approach was adopted for lesson 2 and 3 where students were required to complete a worksheet scaffold with the help of the chatbot to acquire an understanding of the learning content prior to the in-class lessons. The online questionnaire and semi-structured interviews were conducted at the end of lesson 3 and lesson 5 respectively.

Descriptive statistics, correlations, reliability, and regression were used for data analysis using SPSS Statistical Package 24.0. The qualitative data from the interviews were transcribed and coded by two researchers using Nvivo Version 12 software and analysed thematically.

Conclusions, Expected Outcomes or Findings
Preliminary analysis showed that the mean ratings of the five study variables ranged between 4.78 and 5.87 (0.94 ≤ SD ≤ 1.15). The Cronbach’s alphas of the 5 variables ranged between 0.78 and 0.95. There was no evidence of multicollinearity among the four predictor motivational variables (1.30 ≤ VIF ≤ 2.51). The Cohen’s kappa coefficient for inter-rater reliability was 0.72.

To answer RQ1, all the four motivational variables revealed significant correlations with SRL. Out of the four motivational variables, intrinsic goal orientation had the highest significant correlation with SRL (r=.63, p<.01), followed by task value (r=.60, p<.01). Extrinsic goal orientation correlated the least with SRL among the motivational variables (r=.29, p<.01). With regards to RQ2, self-efficacy (β =.34, p<.01) and intrinsic goal orientation (β = .27, p<.05) were the only two independent variables that significantly predicted SRL. A total of 48% of the variance in SRL was explained by the four motivational variables, and self-efficacy alone contributed to 6.8% of the variance. In relation to RQ3, the thematic analysis of the qualitative data identified four emerging themes on usability, task strategies, motivation and perceived usefulness. Concerning RQ4, the qualitative findings suggested that SRL can be enhanced when students perceived the benefits of using the chatbot combining with the worksheet scaffold as an interactive learning tool to help them gain confidence in deepening their understanding of the learning concepts. In addition, the students adopted various task strategies, including help-seeking, self-practice, and note-taking to support their SRL.

In conclusion, the study provided insights on the pedagogical affordances of the chatbots to enhance students’ SRL through a better understanding of the four motivational variables. Finally, implications of the findings, along with study limitations and directions for future research will be discussed in the paper.

References
Chang, C.-Y., Kuo, S.-Y., & Hwang, G.-H. (2022). Chatbot-facilitated Nursing Education. Educational Technology & Society, 25(1), 15-27. https://doi:/10.30191/ETS.202201_25(1).0002

Chen, X., Xie, H., Zou, D., & Hwang, G.-J. (2020). Application and theory gaps during the rise of artificial intelligence in education. Computers and Education: Artificial Intelligence, 1, 100002. https://doi:/10.1016/j.caeai.2020.100002

Credé, M., & Phillips, L. A. (2011). A meta-analytic review of the Motivated Strategies for Learning Questionnaire. Learning and Individual Differences, 21(4), 337-346. https://doi.org/10.1016/j.lindif.2011.03.002

Creswell, J. W., & Clark, V. L. P. (2017). Designing and conducting mixed methods research: Thousand Oaks, CA: Sage publications.

Du, J., & Hew, K. F. T. (2021). Using recommender systems to promote self-regulated learning in online education settings: current knowledge gaps and suggestions for future research. Journal of Research on Technology in Education, 54(4), 1-22. https://doi:/10.1080/15391523.2021.1897905

Hew, K. F., Huang, W., Du, J., & Jia, C. (2022). Using chatbots to support student goal setting and social presence in fully online activities: learner engagement and perceptions. Journal of Computing in Higher Education, 1-29. https://doi:/10.1007/s12528-022-09338-x

Lee, Y.-F., Hwang, G.-J., & Chen, P.-Y. (2022). Impacts of an AI-based chabot on college students’ after-class review, academic performance, self-efficacy, learning attitude, and motivation. Educational Technology Research and Development, 70(5), 1843-1865. https://doi:/10.1007/s11423-022-10142-8

Mason, G. S., Shuman, T. R., & Cook, K. E. (2013). Comparing the effectiveness of an inverted classroom to a traditional classroom in an upper-division engineering course. IEEE Transactions on Education, 56(4), 430-435. https://doi:/10.1109/TE.2013.2249066
Pintrich, P. R., Smith, D. A. F., Garcia, T., & McKeachie, W. J. (1991). A manual for the use of the Motivated Strategies for Learning Questionnaire (MSLQ): Ann Arbor, MI: National Center for Research to Improve Postsecondary Teaching and Learning.

Pintrich, P. R., & DeGroot, E. V. (1990). Motivational and self-regulated learning components of classroom academic performance. Journal of Educational Psychology, 82(1), 33–40. https://doi.org/10.1037/0022-0663.82.1.33

Song, D., & Kim, D. (2021). Effects of self-regulation scaffolding on online participation and learning outcomes. Journal of Research on Technology in Education, 53(3), 249-263. https://doi:/10.1080/15391523.2020.1767525

Yin, J., Goh, T.-T., Yang, B., & Xiaobin, Y. (2021). Conversation technology with micro-learning: The impact of chatbot-based learning on students’ learning motivation and performance. Journal of Educational Computing Research, 59(1), 154-177. https://doi:/10.1177/0735633120952067

Zimmerman, B. J. (1989). A social cognitive view of self-regulated academic learning. Journal of Educational Psychology, 81(3), 329. https://doi:/10.1037/0022-0663.81.3.329


16. ICT in Education and Training
Paper

A Comparative Analysis of Virtual Reality Displays for Training of Air Traffic Control: Head-mounted versus Desktop Displays

Weiling Xu, David Kwok

Republic Polytechnic, Singapore

Presenting Author: Xu, Weiling

Immersive virtual reality (VR) is increasingly used as a tool for vocational training, especially safety critical vocations such as mine rescuers’ safety and aviation safety where real-world training is often too complicated, costly, or risky (Pedram et al, 2020, Buttussi & Chittaro, 2017). VR has triggered innovative changes in education by allowing learners to acquire skills through repetition and practice in virtual learning systems. VR can provide real-time visualisation and interaction within a virtual world that closely resembles a real world (Chuan et al, 2018). This allows students to practise procedural skills and partake in decision making in an authentic and safe environment.

Very often, these VR learning environments require the use of head-mounted devices which are costly, fragile and not suitable for use over extended training sessions. Henceforth, the development of low-cost, high-resolution personal computers has made it feasible to offer 3D VR learning in school settings through desktop VR learning systems (Huang et al., 2016).

The delivery of VR through head-mounted devices are used in most VR systems to create a sense of immersion for users. On the other hand, desktop VR simulates a real environment or 3D representation of an abstract concept on the screen, which allows learners to interact with the virtual environment using a keyboard mouse, or other navigation/control devices (Merchant et al., 2012). Head-mounted VR offers a more immersive learning experience but the provision of head-mounted devices for every student is a challenge, especially for big classrooms and home-based learning. VR made accessible on any PC or laptop gives students the opportunity to practice and gain mastery of air traffic control skills at their own pace. This could be useful in vocations such as air traffic control where costly equipment are needed to train learners in procedural knowledge and skills.

To date, there are limited studies on the effects of different types of displays on procedural knowledge and skills acquisition in air traffic control. In a study conducted on the effects of different types of virtual reality display on presence and learning in an aircraft safety training scenario (Buttussi & Chittaro, 2017), the types of VR display (desktop VR vs head-mounted VR with different field of view and degree of freedom) affected users’ sense of presence but did not significantly affect self-efficacy. According to Makransky and Lilleholt (2018), immersive VR provided significantly higher presence than desktop VR, a strong positive predictor of both motivation and enjoyment, which in turn positively predicted perceived learning effectiveness.

Hence, this study aims to compare differences in perceived learning effectiveness between VR Head-mounted Display (VR-HMD) and VR Desktop Display (VR-DD) for procedural training of air traffic control. In addition, the study examines the extent to which the variables, i.e. perceived ease of use, perceived usefulness and sense of presence will influence students’ perceived learning when using different VR displays.

The following research questions were formulated to guide the data analysis in this study:

1. To what extent does each predictor variable (perceived ease of use, perceived usefulness, sense of presence) correlate with perceived learning?

2. Are there significant differences on perceived ease of use, perceived usefulness, sense of presence and perceived learning between VR-HMD and VR-DD?

3. To what extent do perceived ease of use, perceived usefulness and sense of presence significantly predict perceived learning between VR-HMD and VR-DD?


Methodology, Methods, Research Instruments or Sources Used
This study employs a cross-sectional quantitative research design using an online questionnaire. Data were collected from 76 final-year students undertaking Airside Operations and Air Traffic Management module in the polytechnic. The intact group was split into two groups of students using different VR systems to acquire their knowledge and skills on aircraft take-off and landing procedure, i.e. VR-HMD (N=33) and VR-DD (N=43). A self-report questionnaire was administered to the participants after 3 weeks of learning with the VR systems. Self-report questionnaire was intended to measure students’ perceived ease of use, perceived usefulness, sense of presence and perceived learning. The scales on perceived ease of use and perceived usefulness were adapted from the Technology Acceptance Model (Davis et al., 1989) while sense of presence and perceived learning were adapted from Makransky & Petersen (2019) and Lee et al (2010) respectively. A total of 16 items with a 5-point Likert scale ranging from strongly disagree (1) to strongly agree (5) were included in the questionnaire. Demographic data such as gender, age and prior experience with VR systems were collected for the purpose of reporting the profiles of the participants.

Statistical analyses were performed using IBM SPSS version 24.0. Descriptive statistics, correlations, Independent-samples T-test, and regression analyses were employed in the data analysis. In addition, the regression model was tested using hierarchical linear modelling.

Conclusions, Expected Outcomes or Findings
Preliminary analysis showed that all the study variables had mean ratings, ranged between 4.05 and 4.25, above 4.00 on a 5-point Likert scale. This indicates favorable responses from the participants pertaining to evaluation of the study variables. The Cronbach’s alpha coefficient which is a measure of internal consistency reliability for the 4 variables ranged between .91 and .96, all above the threshold value of .70 (Nunnally & Bernstein, 1994). No multicollinearity issues were found in the regression analyses as the variance inflation factor (VIF) values, ranged between 1.77 and 2.69, were significantly lower than the recommended value of 10.0 (Hair et al., 2009).

For RQ1, all the study variables are positively and significantly correlated with perceived learning (.76 ≤ r ≤ .80, p< 0.01). In terms of RQ2, perceived usefulness (M= 4.50, SD = .50) in VR-HMD is significantly higher than VR-DD (M = 4.06, SD = 1.02) with p<.05 at medium effect size. Regarding RQ3, perceived ease of use (β = .38, p < .01) and perceived usefulness (β = .42, p < .01) were the significant predictors of perceived learning in VR-DD. However, for VR-HMD, perceived ease of use and sense of presence were significant predictors of perceived learning with sense of presence being the higher significant predictor (β = .56, p < .001), followed by perceived ease of use (β = .29, p < .1). Sense of presence contributed to 15% of variance in perceived learning for VR-HMD but is not a significant determinant of perceived learning for VR-DD.

In conclusion, this study provided insights on the variables which impact perceived learning between VR-HMD and VR-DD. The results of the study will provide insights for educators to help them better understand the factors influencing students’ perceived learning, which could aid in the instructional design of VR learning contents as well as choice of technology use. The implications of the findings, limitations of study and future research will be discussed in the presentation.  

*Special thanks to Mr Mathivaanan S/O Vedaraj from the School of Engineering for his contribution in developing VR content for both VR-HMD and VR-DD and collecting data for this study.

References
virtual reality, head-mounted display, desktop display, perceived learning


16. ICT in Education and Training
Paper

An Exploratory Study on the Use of Chatbots in Higher Education as Support for Teachers’ Assessment of Written Midterm Assignments

Stefanie A. Hillen

University of Agder, Norway

Presenting Author: Hillen, Stefanie A.

Chatbots are tools that have been developed to improve the machine-human interface for better communication and interaction as well as for more efficient and cost-reducing services. They are well known in and for online business approaches. Its use has been started and is discussed in education as well, but the application is sometimes seen as a potential or even a threat that might compromise proper learning opportunities for students. One might see similar and additional effects with the introduction of digital media seen as an environmental condition, where one can recognize that the average IQ of students has decreased in the last years (Bratsberg & Rogeberg, 2018). Another main concern is the risk to open the backdoor for plagiarism by developing text in learning contexts by students themselves. However, reviews (Okonkwo & Ade-Ibijola, 2021, Pérez & Daradoumis & Puig 2020, Cunningham-Nelson et al., 2019) on chatbots/AI applications in education called edubots show the variation of and the potential quality of its use in the educational sector. Efforts and initiatives are on their way to improve their architecture for educational purposes (Sjøstrøm et al., 2018).

Whereas applications for students are implemented and under research for instance in Learning Management Systems (Lee et al., 2020) to assist students learning, applications for teachers specifically on assessment are less in focus with some exceptions. Just 6 % of the edubots support assessment activities (Okonkwo & Ade-Ibijola, 2021, p.5-6). An eclective literature search in Oria (Norwegian electronic library tool) used here as an example of the research and publication distribution has shown that the search on ‘edubots’ resulted in 93 hits, whereas just 19 were related to ‘edubots & teachers’ as well and just 11 hits on the search topics of ‘edubots, teachers, and assessment’.

Roots of the edubots for teachers one can see in the tutorial systems (TS) in the 1960 (Opwis, 2001) which have later become intelligent, supported by AI called ITS. At that time computerized assessment was an equal part of it, but rather or mostly from a quantitative point of view.

Therefore, this paper will focus on the potential to support better qualitative assessment which lies in the learning potential of written feedback. This is not meant to replace the teachers’ educational autonomy and duty in doing assessment tasks him/herself. The intention is to reduce the workload of routine tasks in assessment whereas more room and time is given for more specific detailed written feedback. As one knows, feedback can lead to cognitive dissonance, that is, disagreement (Goldring, 2015) so that feedback needs to be given with consideration. To summarize the research intention: The project is done from the perspective of typical university teachers to be able to provide edubot-supported, improved specified feedback on students’ written midterm assignments.

Research question: What kind of support can edubots provide for teachers working on written feedback reports?


Methodology, Methods, Research Instruments or Sources Used
An exploratory study will be conducted. A university course on the bachelor’s level in international education will be used as a platform. The students’ midterm assignments will be used as input for the written edubot-supported feedback. Before starting this exploratory study, we will do a pilot as a feasibility study using two different edubots on written assignments from the last year’s term and discuss these results. As well the teachers who have been responsible for the last term will be included.  Then the exploratory study will make use of the actual assignments and the students’ deliveries of the spring semester in 2023 due for hand-in in March this year.
The feedback itself which will be delivered to the students will be twofold. On the one hand, the feedback on the written assignment will be generated by an open access edubot. On the other hand, the teachers will be asked to give additional feedback on the assignment from his /her point of view to ensure the quality of the feedback. This combined-written feedback will be delivered as in one piece to the student. The students will be asked if the written feedback was helpful as well as they should specify what was actually contributing to their insights or learning progress. If possible, we will use this approach in another course for VET teachers as well to expand the databases. In addition, we will conduct semi-structured interviews with the teachers experiencing the feedback and assessment process by edubot support.

Conclusions, Expected Outcomes or Findings
The results expected are to show that the edubot is not just a tool for students to improve learning opportunities but as well enriches the teachers’ opportunities for improved feedback on regular midterm assignments. Specifically, this exploratory approach will reveal in which different ways feedback can be provided as well as it might ‘free’ the teacher from writing similar responses. This happens for university teachers on a regular basis, because of the fact that examination often asks about the same problem, project, or phenomenon. Hence, the teacher can specify on the one hand based on his/her specific knowledge and competence the feedback which is to be provided encouraging and motivating as well (Hattie & Timperley, 2007; Goldring et al., 2015) because one knows that this will influence the way it will be used for further learning.

References
Raquel Aguayo, Yadira Quiñonez, Víctor Reyes and Jezreel Mejia (2023). A New Proposal for Virtual Academic Advisories Using ChatBots in, New Perspectives in Software Engineering, vol. 576, pp.233.
Bernt Bratsberg and Ole Rogeberg (2018). Flynn effect and its reversal are both environmentally caused. Proceedings of the National Academy of Sciences. 115-26, pp 6674–6678. https://www.pnas.org/doi/abs/10.1073/pnas.1718793115
Sam Cunningham-Nelson, Wageeh Boles, Luke Trouton, and Emily Margerison (2019). A review of chatbots in education: Practical steps forward. In 30th Annual Conference for the Australasian Association for Engineering Education (AAEE 2019): Educators Becoming Agents of Change: Innovate, Integrate, Motivate. Engineers Australia, Australia.
Edubots (n.d.). Best Practices of Pedagogical Chatbots in Higher Education.Reference Number: 612466-EPP-1-2019-1-NO-EPPKA2-KA, https://www.edubots.eu
Ellen B. Goldring, Madeleine Mavrogordato, & Kathrine Taylor Haynes (2015). Multisource Principal Evaluation Data: Principals’ Orientations and Reactions to Teacher Feedback Regarding Their Leadership Effectiveness. Educational Administration Quarterly, 51(4), 572–599. https://doi.org/10.1177/0013161X14556152
John Hattie & Helen Timperley (2007). The power of feedback, Review of Educational Research, Vol. 77 No. 1, pp. 81-112.
L. -K. Lee, Y. -C. Fung, Y. -W. Pun, K. -K. Wong, M. T. -Y. Yu and N. -I. Wu,(2020). "Using a Multiplatform Chatbot as an Online Tutor in a University Course," 2020 International Symposium on Educational Technology (ISET), Bangkok, Thailand, 2020, pp. 53-56, doi: 10.1109/ISET49818.2020.00021.
Carmen Lizarraga, Chinedu Wilfred Okonkwo, Abejide Ade-Ibijola (2021). Chatbots Applications in Education: A Systematic Review” Computers and Education: Artificial Intelligence.
Klaus Opwis (2001). Instructional Technology: Cognitive Science Perspectives, (Eds), Neil J. Smelser, Paul B. Baltes, International Encyclopedia of the Social & Behavioral Sciences, Pergamon, pp. 7573-7577, https://doi.org/10.1016/B0-08-043076-7/01476-5. https://www.sciencedirect.com/science/article/pii/B0080430767014765
José Quiroga Pérez, Thanasis Daradoumis, Joan Manuel Marquès Puig (2020). Rediscovering the use of chatbots in education: A systematic literature review. Computer Applications in Engineering Education, 28(6), 1549–1565. https://doi.org/10.1002/cae.22326
Jonas Sjöström, Nam Aghaee, Maritha Dahlin, and Pär J. Ågerfalk(2018). DESIGNING CHATBOTS FOR HIGHER EDUCATION PRACTIC" (2018). Proceedings of the 2018 AIS SIGED International Conference on Information Systems Education and Research. 4. https://aisel.aisnet.org/siged2018/4


 
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