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Activity for “Measuring PCK of Questioning in introductory physics classes”
Map reflects approximately 120 visits and 94 visitors from 63 locations (shown as 63 markers). 
Based on periodically updated Google Analytics data. This is intended to show usage trends but may not capture all activity from every visitor.
Map reflects activity on the STEM For All Multiplex and all associated video showcases.
Color intensity indicates activity level, from: Low High