Children's museums represent one of the fastest growing segments of the museum community; however, the evidence base to demonstrate the learning value of these institutions has not kept pace. With funding from the Institute of Museums and Library Services (IMLS), the Association of Children’s Museums (ACM) and the University of Washington’s Museology Graduate Program (UW Museology) are partnering to generate a field-wide research agenda for children’s museums, an agenda that will identify and prioritize the most pressing evidence needed by the field to articulate and demonstrate the distinct