TABLE 2.

The Ratio Scale Scoring Rubric for Procedural Performance Assessment

Category	Score	Description
Unsafe practice, iatrogenic error	−0.25	Unsafe, inaccurate performance, errors that could/did lead to patient injury/harm
Does not perform (N/A)	0.00	Did not perform the procedural component independently or accurately
Does not meet performance standard	0.25	Performed, but required substantial guidance to complete accurately
Partially meets performance standard	0.50	Performed, but required a few verbal suggestions to complete accurately
Meets performance standard	1.00	Independently performed accurately
Exceeds performance standard	1.25	Independently performed accurately, with efficiency or refined technique