The prevalence of horizontal violence in New York State registered nurses.

The purpose of this descriptive study was to examine the knowledge of nursing administrators about horizontal violence (HV) among New York Organization of Nurse Executive members and to ascertain if they used evidence-based leadership in their roles. In this paper the authors describe the research conducted and examine evidence-based leadership with regard to HV The authors discuss what HV is, the theories that explain HV, and the impact of HV on the nurse, the nursing profession, and patient care. Research findings were consistent with the theoretical literature, which suggests that HV is so ingrained in nursing's organizational culture that it is not recognized. Until a phenomenon is recognized and named little can be done to alter it.