PROFILE Todd Shagott About informal science Projects Youth Lead the Way: A Youth Advisory Research Board Model for Climate Impact Education Research A Youth Advisory Research Board in a science center: an empowering setting for collective action Engineering Awareness at Design Challenge Exhibits Exhibit Features and Visitor Groups’ Engineering Design Practice The study of collaborative practices at interactive engineering challenge exhibits— background and methods (The C-PIECE Study) Exploring patterns of collaborative practices at interactive engineering challenge exhibits C-PIECE Framework: Collaborative Practices at Interactive Engineering Challenge Exhibits The identity-frame model: A framework to describe situated identity negotiation for adolescent youth participating in an informal engineering education program The Impact of Facilitation by Museum Educators on Family Learning at Interactive Math Exhibits: A Quasi-Experimental Study Emergent Activity Frames in Facilitated Family Interactions at Math Exhibits Participant Reactivity in Museum Research: The Effect of Cueing Visitors at an Interactive Exhibit Evaluation Youth Lead the Way Public Events Evaluation Report The OMSI Youth Lead the Way Program Evaluation Report