Teacher Model: Prepare and share a Think-­‐Aloud model of identifying possible points for intervention or possible solutions for a problem that your class identified.

•Draw on the Student Models for infection, spread/transmission, and evolution as a basis for your think-­‐aloud modeling

•Use talk stems to make your thinking overt: ‘One point in the model that might work for an intervention is … because ….’ ; ‘One course of action that might help with the hand washing problem is … because …’