Crowdsourcing-based framework for teaching quality evaluation and feedback using linguistic 2-tuple

Wang, T, Wu, T, Ashrafzadeh, A and He, J 2018, 'Crowdsourcing-based framework for teaching quality evaluation and feedback using linguistic 2-tuple', Computers, Materials and Continua, vol. 57, no. 1, pp. 81-96.


Document type: Journal Article
Collection: Journal Articles

Title Crowdsourcing-based framework for teaching quality evaluation and feedback using linguistic 2-tuple
Author(s) Wang, T
Wu, T
Ashrafzadeh, A
He, J
Year 2018
Journal name Computers, Materials and Continua
Volume number 57
Issue number 1
Start page 81
End page 96
Total pages 16
Publisher Tech Science Press
Abstract Crowdsourcing is widely used in various fields to collect goods and services from large participants. Evaluating teaching quality by collecting feedback from experts or students after class is not only delayed but also not accurate. In this paper, we present a crowdsourcing-based framework to evaluate teaching quality in the classroom using a weighted average operator to aggregate information from students questionnaires described by linguistic 2-tuple terms. Then we define crowd grade based on similarity degree to distinguish contribution from different students and minimize the abnormal students impact on the evaluation. The crowd grade would be updated at the end of each feedback so it can guarantee the evaluation accurately. Moreover, a simulated case is shown to illustrate how to apply this framework to assess teaching quality in the classroom. Finally, we developed a prototype and carried out some experiments on a series of real questionnaires and two sets of modified data. The results show that teachers can locate the weak points of teaching and furthermore to identify the abnormal students to improve the teaching quality. Meanwhile, our approach provides a strong tolerance for the abnormal student to make the evaluation more accurate.
Subject Education Assessment and Evaluation
Computer Software not elsewhere classified
Keyword(s) Crowdsourcing
Group decision making.
Linguistic 2-tuple
Teaching quality evaluation
DOI - identifier 10.32604/cmc.2018.03259
Copyright notice © 2018 Tech Science Press
ISSN 1546-2218
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