Vito Prosciutto: Teaching community college math on the road to a PhD.

Friday, September 02, 2005

Odd statistic 

I'm experimenting with MathXL* for my algebra class this semester. For the first quiz the class divided** into three roughly equally-sized groups: Those who did the homework on MathXL, those who did the homework by hand, those who did not do the homework. As expected the on-line homework group performed slightly better than the off-line homework group. However, the no homework group tied with the on-line homework group. How strange!

* I'll write more about this later in the weekend or perhaps next week.
** This was a self-selection. By no means would I encourage in any way that 1/3 of the class not do homework.

Update: corrected a typo in the above. Group 3 was "did not do the homework."

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