Using digital forensic techniques to identify contract cheating: A case study

Clare Johnson, Ross Davies

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

325 Wedi eu Llwytho i Lawr (Pure)


Contract cheating is a major problem in Higher Education because it is very difficult to detect using traditional plagiarism detection tools. Digital forensics techniques are already used in law to determine ownership of documents, and also in criminal cases, where it is not uncommon to hide information and images within an ordinary looking document using steganography techniques. These digital forensic techniques were used to investigate a known case of contract cheating where the contract author has notified the university and the student subsequently confirmed that they had contracted the work out. Microsoft Word documents use a format known as Office Open XML Format, and as such, it is possible to review the editing process of a document. A student submission known to have been contracted out was analysed using the revision identifiers within the document, and a tool was developed to review these identifiers. Using visualisation techniques it is possible to see a pattern of editing that is inconsistent with the pattern seen in an authentic document.
Iaith wreiddiolSaesneg
Tudalennau (o-i)105-113
Nifer y tudalennau9
CyfnodolynJournal of Academic Ethics
Rhif cyhoeddi2
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 2 Ion 2020

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