With support from the National Science Foundation, the STEM Effect project was undertaken in partnership by staff from the Education Development Center, the National Girls Collaborative Project (NGCP) and the Intrepid Sea, Air & Space Museum. Through a variety of methods, the project convened representatives from cultural institutions (museums, science centers, zoos, botanical gardens and aquaria) from across the country which provide STEM programming aimed at increasing the participation of girls and women in science, technology, engineering and mathematics (STEM), along with researchers, and