• Patricia Nicholson, Shelley Gillis, and A M Trisha Dunning.
• School of Nursing, Level 5 234 Queensberry Street, Carlton, 3010 Melbourne, Victoria, Australia. pfnich@unimelb.edu.au
• Nurse Educ Today. 2009 Jan 1; 29 (1): 73-82.

UnlabelledThis research evolved out of the need to examine the validity and inter-rater reliability of a set of performance-based scoring rubrics designed to measure competencies within the operating suite.MethodBoth holistic and analytical rubrics were developed aligned to the ACORN Standard [Australian College of Operating Room Nurses Standard NR4, 2004. ACORN Competency Standards for Perioperative Nurses: Standard NR4: The Instrument Nurse in the Perioperative Environment. Australian College of Operating Room Nurses Ltd, Adelaide] and underpinned by the Dreyfus model (1981). Three video clips that captured varying performance of nurses performing as instrument nurses in the operating suite were recorded and used as prompts by expert raters, who judged the performance using the rubrics.ResultsThe study found that the holistic rubrics led to more consistent judgments than the analytical rubrics, yet the latter provided more diagnostic information for intervention purposes. Despite less consistency, the Analytical Observation Form had sufficient construct validity to satisfy the requirements of criterion referencing as determined by the Item Separation Index (Rasch, 1960), including high internal consistency and greater inter-rater reliability when average ratings were used.ConclusionThe study was an empirical investigation of the use of concomitant Analytical and Holistic Rubrics to determine various levels of performance in the operating suite including inter-rater reliability. The methodology chosen was theoretically sound and sufficiently flexible to be used to develop other competencies within the operating suite.

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