But its report described a much more rigorous approach, in which all companies would examine themselves under a common standard, making the conclusions widely available to lenders, investors and the public. (insideclimatenews.org)
The most rigorous approach requires what market researchers call a double - blind research design, where the customers remain anonymous and the researchers don't reveal who is sponsoring the survey. (bain.com)
When I've visited these schools, the educators invariably state that this systematic, rigorous approach works for all students, not just their English learners. (ascd.org)