Cross Validating a Rubric for Automatic Classification of Cognitive Presence in MOOC Discussions

International Review of Research in Open and Distributed Learning

article

Yuanyuan Hu¹  Claire Donald¹  Nasser Giacaman¹ 

[1] Faculty of Engineering, The University of Auckland

关键词: cognitive presence;    MOOC;    text classification;    online discussion;    content analysis;   

DOI  :  10.19173/irrodl.v23i3.5994

学科分类：社会科学、人文和艺术（综合）

来源: Athabasca University Press

【 摘 要 】

As large-scale, sophisticated open and distance learning environments expand in higher education globally, so does the need to support learning at scale in real time. Valid, reliable rubrics of critical discourse are an essential foundation for developing artificial intelligence tools that automatically analyse learning in educator-student dialogue. This article reports on a validation study where discussion transcripts from a target massive open online course (MOOC) were categorised into phases of cognitive presence to cross validate the use of an adapted rubric with a larger dataset and with more coders involved. Our results indicate that the adapted rubric remains stable for categorising the target MOOC discussion transcripts to some extent. However, the proportion of disagreements between the coders increased compared to the previous experimental study with fewer data and coders. The informal writing styles in MOOC discussions, which are not as prevalent in for-credit courses, caused ambiguities for the coders. We also found most of the disagreements appeared at adjacent phases of cognitive presence, especially in the middle phases. The results suggest additional phases may exist adjacent to current categories of cognitive presence when the educational context changes from traditional, smaller-scale courses to MOOCs. Other researchers can use these findings to build automatic analysis applications to support online teaching and learning for broader educational contexts in open and distance learning. We propose refinements to methods of cognitive presence and suggest adaptations to certain elements of the Community of Inquiry (CoI) framework when it is used in the context of MOOCs.

【 授权许可】

CC BY