Reviews are public. Revisions are public. Resubmissions are public. You can see raw data. You can reach your own conclusions. You can disagree, agree, push for more research.
NPR's blog on Rough Cuts is another good example. The behind-the-scenes look at making a new radio program - go ahead, tell 'em what you think.
We're getting there - close to a place where real analysis, research and data that can inform giving (ahem, please note the acronym in this post's title) might fly. And let me know if you hate the acronym (I do).