Through built - in, ongoing assessment, they can provide each student with their own optimal mix of learning concept instruction and learning practice. (mhecdi.com)
On average teachers might already be teaching based on an almost optimal mix (with a little too much problem - solving), so that further reducing the time spent lecturing has negative effects on student achievement. (educationnext.org)
If each asset class is represented by an index fund similar to that asset class, then this pretend optimal mix is pretty much the same as a real optimization. (toolsformoney.com)