Analyzing where students do well, and not so well

One more thing I thought I'd add here: the "Analytics" button on any given assignment has limited functionality (as far as I can tell, it does not report grade distributions accurately at all), but what it does do it give you a nice breakdown of student performance that tell you how many hours they spent actively reading, how many comments they made, etc., which might come in handy when a student asks, "What did I do wrong? How can I do better?" Here's a screen shot of my class:

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