For some regulations the social science evidence is really complicated.
Science, evidence, risk, children; we have seen this dangerous test of science policy before.
With the climate science evidence now so overwhelming even some of the sceptics have been forced to change tack.
Instead, he did the fundamentalist thing and tossed out science, evidence and reason, along with all his dreams and hopes".
Though many people viewed the book's assertions as counterintuitive, the social science evidence has been replicated time and again.
Science evidence was "a very important component but often not the whole evidence base and therefore has to take its place" in the total evidence feeding into policy.
He is saying social science evidence is not the way to go, because the next survey may well overturn all the assumptions we now rely on.
What he trumpets as "more than 30 years of social-science evidence" showing that children do best with a married mother and father.
We know all this, not from fluffy spirituality, but from "contemporary research", "cognitive science", "evidence coming out of neuroscience" and "research into human development".
But the political science evidence on economics and elections is unambiguous: what matters is the rate of change, not the level.
