[tightbookkeeper]

> I don't know exactly what you mean by "surveys,"

Typical education studies look at two classrooms/sets of kids, and then compare grades with and without X. It's a mess.

> Yeah, and I think we also need to stop pretending new is better.

Agreed. I think part of the problem is centralized curriculum control. There will always be someone fighting to put in there thing or make a sale.