| Tracking |
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| Serf makes it possible to track all of |
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| the
student usage in the course. |
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| Everything the student does is logged |
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| and time-stamped. |
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| The gradebook makes it quick and |
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| easy to
see where each student is in |
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| the
course, and to send messages to |
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| students
who are falling behind. |
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