Journal
COMPUTERS & EDUCATION
Volume 94, Issue -, Pages 61-76Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compedu.2015.11.007
Keywords
Backchannel; Educational tool; Lecture enhancement; Mixed-method case study; Higher education
Funding
- University of Cape Town
- National Research Foundation of South Africa
- ESRC [ES/M010082/1] Funding Source: UKRI
- Economic and Social Research Council [ES/M010082/1] Funding Source: researchfish
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Exploratory studies have started to demonstrate the potential value of digital backchannels for enhancing interaction in university lectures. The present study was conducted in a third year engineering course and involved the use of specialised backchannel software with the following features: students could anonymously post questions, vote on questions, give the lecturer feedback regarding the pace of the lecture or simply alert the lecturer that they were 'lost'. The study used a mixed-method data analysis design that, in addition to data automatically logged through the backchannel, included the use of observations, surveys, lecturer interviews and student focus groups. It was found that students used all features of the backchannel, with especial use of the 'like' feature, not currently available in most commercial backchannel packages. The backchannel increased the number of questions asked in class, and also resulted in a broader range of students participating in such interactions. There was limited evidence of the backchannel proving a distraction; on the contrary some students said that it helped them to focus more in class. From the lecturers' perspective the backchannel did require some modification of their lecturing style but they felt that the additional feedback that they achieved was valuable. (C) 2015 Elsevier Ltd. All rights reserved.
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