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A study into the usability and security implications of text and image based challenge questions in the context of online examination.
Abrar Ullah
Hannan Xiao
Trevor Barker
Published in:
Educ. Inf. Technol. (2019)
Keyphrases
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potential impact
contextual information
text retrieval
cross cultural
information retrieval
keywords
multiple choice
open domain
real time
online learning
intrusion detection
information security