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Research Progress Report

Research Progress Report. November 5, 2009 Benjamin Jee, David Uttal , Caroline Crouch Northwestern University Kristin Watkins University of Nebraska. Clinical Interviews. Semi-structured 45-70 minutes Questions included: (a) what is a virus? (b) how do viruses infect living things?

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Research Progress Report

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  1. Research Progress Report November 5, 2009 Benjamin Jee, David Uttal, Caroline Crouch Northwestern University Kristin Watkins University of Nebraska

  2. Clinical Interviews • Semi-structured • 45-70 minutes • Questions included: (a) what is a virus? (b) how do viruses infect living things? (c) how do viruses spread between living things? (d) how does the body respond to infection? (e) how can viruses be prevented and treated? (f) how do vaccines work?

  3. Data Collection Completed: • Pre-Workshop clinical interviews: 18 OSM Teachers • During workshop clinical interviews: 13 OSM Students In progress: • Clinical interview (first): 9 Control Teachers • Clinical interviews: 4-5 Experts Planned: • Post-Workshop clinical interviews: 9 OSM Teachers • Clinical interview (second): 9 Control Teachers

  4. Data Coding • Iterative process: Read sample of transcripts Develop coding template Code transcripts Refine coding template Generalize to other cases? Expert input Sensitivity to variation?

  5. Refined Coding Template • 135 unique dimensions, representing nine topics

  6. Preliminary Analyses • Examined teacher responses about infection/replication • Many teachers had accurate responses, some did not • Plan to examine responses in greater depth (with refined coding template) and relate to other topics (e.g., transmission, immune response, etc.)

  7. Preliminary Analyses • Constructed concept maps to represent teachers’ beliefs about infection/replication • Plan to represent mental models in terms of complex causal diagrams

  8. Next Steps • Code the interviews that have been collected using the refined coding template • Examine relations between responses on different topics • Examine coherence of responses: Are they internally consistent? • Identify misconceptions/gaps in understanding (e.g., cold weather causes cold) • Develop methods for creating causal network models • Transcribe and code remaining interviews • Comparisons: • Teacher and control pre vs. post • Teacher vs. student vs. experts

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