The Construct Validity and Reliability of an Assessment Tool for Competency in Cochlear Implant Surgery

Table 5

The task-based checklist for cochlear implantation competency.

Tasks	Poor		Acceptable		Outstanding
Mastoidectomy
(1) Left slightly overhanging superiorly, posteriorly, and inferiorly to help retain and control the electrode cable	1	2	3	4	5	N/A
(2) Thin posterior EAC cortex maximally	1	2	3	4	5	N/A
Facial recess opening
(3) Preserve a layer of bone overlying the facial nerve	1	2	3	4	5	N/A
(4) Remove bone on the anterior medial surface of the fallopian canal just below the pyramidal process	1	2	3	4	5	N/A
(5) Preserve a layer of bone overlying the chorda tympani	1	2	3	4	5	N/A
(6) Facial recess is opened to visualize the round window niche	1	2	3	4	5	N/A
Cochleostomy
Conventional approach
(7) Cochleostomy is drilled through the promontory just anterior and inferior to the round window membrane	1	2	3	4	5	N/A
Round window approach
(8) The bony promontory overlying the round window niche has been removed	1	2	3	4	5	N/A