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Reliability of the Dundee Endoscopic Psychomotor Tester (DEPT) for dominant hand performance
N K Francis1, G B Hanna, A Cuschieri
1Department of Surgery and Molecular Oncology, Surgical Skills Unit, Ninewells Hospital & Medical School, University of Dundee, Dundee DD1 9SY, Scotland, UK.
Background:
The Dundee Endoscopic Psychomotor Tester (DEPT) was developed as a means of obtaining an objective assessment of endoscopic performance using a single hand. This paper evaluates the reliability of the system.
Methods:
Twenty medical students were tested on the DEPT for four runs using the dominant hand. Test-retest reproducibility and coefficient alpha to measure the internal consistency were used as indexes of the reliability of the DEPT system.
Results:
A positive correlation was found between different runs in all outcome measures of the DEPT. Coefficient a was > 0.7 for all parameters.
Conclusion:
DEPT provides a reliable method for the objective assessment of single-handed endoscopic performance in terms of aiming and force exerted on the target plate.