Measuring Return on Investment for Professional Development Activities: 2018 Updates.

What is the return on investment for the time and resources spent for professional development activities? This is an update of the two articles published in 2016, which reviewed literature and demonstrated how financial analysis of educational activities can drive decision-making. Professional development activities are routinely planned based on needs assessments, implemented with evidence-based learning modalities, and evaluated for effectiveness through linkage to outcomes. The next level of evaluation is consideration of the economic impact of professional development activities. This article includes a review of the most recent studies that provide cost of educational interventions along with a description of economic outcomes and an update to the "Known Costs of Outcomes Table."