The need to promote evidence-based health care practices has been recognized for some time, yet challenges in implementation continue. Facilitation of evidence-based practice must occur at the organization and unit levels to assure integration. Research that provides an understanding of what makes an organization successful in use of evidence-based practice is limited, and tools to assess the organizational culture are needed. The majority of related research identifies barriers to research use. Research identifying how to assess and improve organizational variables that promote use of evidence-based practice is needed, but our understanding is growing. The need to understand organizational context is so compelling that the topic is identified as a top research priority.