A group of 12 researchers gathered at MSI to discuss issues surrounding the critical but challenging area of how to measure the long-term effects or impacts of ISE experiences, chaired by Dr. John Falk, Oregon State University and Institute for Learning Innovation, and hosted by Aaron Price, Museum of Science & Industry, Chicago, (MSI) on July 18, 2018. All the invitees had expertise and experience in this area, resulting in a rich conversation based equally in theory and practice. The goal of the discussion was to build on the collective experience of the group to identify and address key