In evaluating a staff nurse who demonstrates inconsistent performance, which intervention should the nurse- manager employ?

A Evaluate the nurse's performance using standards of practice, citing both strengths and weaknesses with emphasis on ways to improve practice. C Emphasize the nurse's areas of weakness in light of the inconsistent performance observed and discuss how to improve in each of these areas. B Focus on the strengths of the staff nurse; discuss any weaknesses verbally but avoid documenting the nurse's negative behaviors. D Focus on a discussion of how the inconsistency in the staff nurse's performance disrupts the routine of all of the staff members on the unit.