Has produced a body of scientific work that has clarified conceptual issues in prevention science important ways. (preventionresearch.org)
There will always be conceptual issues with any single valuation measure, so the best we can do is evaluate valuations from the standpoint of multiple historically reliable approaches. (hussmanfunds.com)
The focus will be on conceptual issues that are addressed by the method, and on its practical applications. (div49tgp.com)