Organization URL http://www.colorado.edu/ Projects Improving Science Learning in Inquiry-based Programs (Collaborative Research: Van Vuuren) Learning Assistant Model of Teacher Education in Science and Technology Expanding PhET Interactive Science Simulations to Grades 4-8: A Research-Based Approach Examining Formative Assessment Practices for English Language Learners in Science Classrooms (Collaborative Research: Solano-Flores) Design and Use of Illustrations in Test Items as a Form of Accommodation for English Language Learners in Science and Mathematics Assessment Overcoming Obstacles to Scaling-Up with a Cyberlearning Professional Development Model (Collaborative Research: Sumner) Toward a Scalable Model of Mathematics Professional Development: A Field Study of Preparing Facilitators to Implement the Problem-solving Cycle From Undergraduate STEM Major to Enacting the NGSS Efficacy Study of Project-Based Inquiry Science An Efficacy Study of the Learning and Teaching Geometry PD Materials: Examining Impact and Context-Based Adaptations Teaching and Learning Algebraic Thinking Across the Middle Grades: A Research-based Approach Using PhET Interactive Simulations Ramping Up Accessibility in STEM: Inclusively Designed Simulations for Diverse Learners Sonified Interactive Simulations for Accessible Middle School STEM Location CO United States