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Activity for “Measuring PCK of Questioning in introductory physics classes”
Map reflects approximately 126 visits and 99 visitors from 66 locations (shown as 12 countries). 
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