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Rigshospitalet - en del af Københavns Universitetshospital
Udgivet

Peak and ceiling effects in final-product analysis of mastoidectomy performance

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BACKGROUND: Virtual reality surgical simulation of mastoidectomy is a promising training tool for novices. Final-product analysis for assessing novice mastoidectomy performance could be limited by a peak or ceiling effect. These may be countered by simulator-integrated tutoring.

METHODS: Twenty-two participants completed a single session of self-directed practice of the mastoidectomy procedure in a virtual reality simulator. Participants were randomised for additional simulator-integrated tutoring. Performances were assessed at 10-minute intervals using final-product analysis.

RESULTS: In all, 45.5 per cent of participants peaked before the 60-minute time limit. None of the participants achieved the maximum score, suggesting a ceiling effect. The tutored group performed better than the non-tutored group but tutoring did not eliminate the peak or ceiling effects.

CONCLUSION: Timing and adequate instruction is important when using final-product analysis to assess novice mastoidectomy performance. Improved real-time feedback and tutoring could address the limitations of final product based assessment.

OriginalsprogEngelsk
TidsskriftThe Journal of laryngology and otology
Vol/bind129
Udgave nummer11
Sider (fra-til)1091-6
Antal sider6
ISSN0022-2151
DOI
StatusUdgivet - nov. 2015

ID: 45746089