Why So Little Measurement-Based Mental Health Care?

The late Peter Drucker said, "If you can't measure it, you can't improve it."

I think that is a statement that most managers would agree with. So my question—raised by Roland Larkin, NP, Ph.D., MBA, Medical Science Liaison, Otsuka Neuroscience and Srikanth Gottipati, Ph.D., M.Phil, Associate Director, Think Team, Otsuka Pharmaceutical Development & Commercialization, Inc., in their 2018 OPEN MINDS Technology & Informatics Institute session, Measurement Informed Treatment Assistant for Mental Health—why do only 7% of psychiatrists routinely use measurement based psychiatric scales when planning consumer treatment?

We know measurement-based care works . . .