Chapter Students' feedback on the digital ecosystem: a structural topic modeling approach
Starting from March 2020, strict containment measures against COVID-19 forced the Italian Universities to activate remote learning and supply didactic methods online. This work is aimed at showing students' perceptions towards a learning-teaching experience practised within a digital learning e...
Format: | eBook |
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Language: | English |
Published: |
Florence
Firenze University Press, Genova University Press
2023
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Series: | Proceedings e report
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Subjects: | |
Online Access: | Open Access: DOAB: description of the publication Open Access: DOAB, download the publication |
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720 | 1 | |a Evangelista, Adelia |4 aut | |
720 | 1 | |a Di Battista, Tonio |4 aut | |
720 | 1 | |a Sarra, Annalina |4 aut | |
245 | 0 | 0 | |a Chapter Students' feedback on the digital ecosystem: a structural topic modeling approach |
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520 | |a Starting from March 2020, strict containment measures against COVID-19 forced the Italian Universities to activate remote learning and supply didactic methods online. This work is aimed at showing students' perceptions towards a learning-teaching experience practised within a digital learning ecosystem designed in the period of first emergency and then re-proposed for the blended mode. Specifically, students, attending six teaching large courses held by four professors in two different Italian universities, were asked to express their impression in a text guided by questions, requiring the reflections and clarification of their and inner deep thoughts on the ecosystem. To automate the analysis of the resulting open-ended responses and avoid a labour-intensive human coding, we focused on a machine learning approach based on structural topic modelling (STM). Alike to Latent Dirichlet Allocation model (LDA), STM is a probabilistic generative model that defines a document generated as a mixture of hidden topics. In addition, STM extends the LDA framework by allowing covariates of interest to be included in the prior distributions for open-ended-response topic proportions and topic word distributions. Based on model diagnostics and researchers' expertise, a 10-topic model is best fitted the data. Prevalent topics described by respondents include: "Physical space", "Bulding the community: use of Whatsapp", "Communication and tools", "Interaction with Teacher", "Feedback". | ||
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650 | 7 | |a Society & social sciences |2 bicssc | |
653 | |a digital learning ecosystem | ||
653 | |a open-ended questions | ||
653 | |a pandemic context | ||
653 | |a structural topic models | ||
653 | |a Student feedback | ||
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