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How effective are electronic plagiarism detection systems and does it matter how you use them?

How effective are electronic plagiarism detection systems and does it matter how you use them?. Dr Jo Badge (@ jobadge ) School of Biological Sciences University of Leicester. http://bit.ly/eDetection. Electronic Detection Systems. Software to automatically search for non-original text

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How effective are electronic plagiarism detection systems and does it matter how you use them?

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  1. How effective are electronic plagiarism detection systems and does it matter how you use them? Dr Jo Badge (@jobadge) School of Biological Sciences University of Leicester

  2. http://bit.ly/eDetection

  3. Electronic Detection Systems • Software to automatically search for non-original text • dynamic list of software online

  4. Plagiarism detection services

  5. Effectiveness • Cross comparison reviews mostly focus on usability • Live testing with scoring for detection rates carried out by Debora Weber-Wuff • Rates Safeassign above Turnitin in terms of detection rates

  6. Mode of use: prevention • Long term effects • Risk / benefit perceptions • Punishment as education

  7. 1. Long term effects : Culwin, 2006

  8. Deterrent : Badge, 2007

  9. 2. Risk / benefit perceptions : Woessner 2004

  10. 3. Punishment as education • Punitive tutor-supported access • Students shown originality report prior to penalty • Most common but least studied • Form of student access to originality reports

  11. Mode of use: student access • Punitive supported access • Outside institutional systems • Institutional open access • Tutor supported access

  12. 2. Outside institutional systems first: spelling check; second: grammar check; third: originality check

  13. 3. Institutional open access Still fairly rare • IFS • York (controlled training session trial)

  14. Braumoeller & Gaines, 2001 • Marked on grading curve • Feedback on effect of plagiarism on grades

  15. 4. Tutor supported access Ledwith & Risquez, 2008 Proportion of matching text for both assignments submitted through Turnitin

  16. Ledwith & Risquez, 2008

  17. Barrett & Malcolm, 2006

  18. Davis & Carroll, 2009 Reduction in • Amount of plagiarism (45.5%) • Over-reliance on one source (45.5%) • Citation errors (62%) • Insufficient paraphrasing (38%) Percentages= total final drafts showing reduction where n=66 (over 3 years 2007-2009)

  19. http://bit.ly/eDetection

  20. Acknowledgements Higher Education Academy University of Leicester Teaching Enhancement Forum GENIE CETL Dr NadyaYakovchuk Dr Jon Scott

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