Effective Programs in Elementary Mathematics: A Best-Evidence Synthesis

I stumbled upon this recent metastudy on elementary math programs by Bob Slavin.

Here is the summary.

Here's the whole thing (DOC). (Link fixed)

There are lots of good observations in it,

• How few math curricula perform well in research studies,
• How many bogus post hoc studies are out there,
• How Bob Slavin shouldn't be doing an objective study involving his own programs, and
• I caught a mistake involving the CMC study I recently blogged. It was randomized, not post hoc.
  

I figured I'd release the KTM brain trust on it to pick it apart.