Why two versions?
In the process of beta-testing our original Action Potentials tutorial, we learned that some students were spending up to 5 or 6 hours working through the module. Instructors appreciated that it was exploratory and comprehensive, but there was too much material for students to absorb in a single session.
For instructors who want their students to be able to complete the module in a single session (e.g., one lab period), we streamlined the exercises and made the explorations more structured. Both versions are challenging and engaging; the key distinction is the depth of inquiry.
See for yourself!
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