4 ms·
I'm confused as to why the "‘raw’ score (for value added, this is a number between -1 and +1)" goes up to ~1.6 in 2009-2010 and up to ~1.1 in 2008-2009. Why do
by thedufer 14y ago
I'm confused as to why the "‘raw’ score (for value added, this is a number between -1 and +1)" goes up to ~1.6 in 2009-2010 and up to ~1.1 in 2008-2009. Why does the data go outside the ranges he states? I find it hard to believe someone who can't read something so simple off his own graph.
- carbocation 14y agoThe author incorrectly stated that "value added" is a score between -1 and +1. In fact, "value added" scores are z scores, which can in theory range from (-∞,∞).