Is it possible for anyone here to actually suggest anything that's truly meaningful in the context of raising children? We can say what we think is a good idea, but I think the first place to look for this information is in any population studies that have been done (adopted twin studies maybe?) about rationalist beliefs in people raised with different techniques. Then we'd still have the politically untenable task of randomly assigning the techniques we come up with to children and testing how rational the end up being. Maybe there's some insight to be had here, but I doubt we would have responses much better than chance.