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  1. Kohtz, Cindy EdD, RN, CNE
  2. Gowda, Connie MSN, RN


Medication errors related to incorrect drug dose calculation continue to plague nursing and jeopardize patient welfare. This research study spans 2 academic years (4 classes of senior undergraduate nursing students) and compares the use of 2 approaches to drug calculation: dimensional analysis and conventional methods (ratio-proportion and calculation formulas). Data analysis looked at several factors but primarily focused on conceptual accuracy.