State Health Authority Yardstick (SHAY) A checklist rating state-level activities and policies toward implementation and sustainment of an evidence-based practice. Click here to view. By Jessica Marbacher|2019-07-26T20:26:53+00:00September 7th, 2018|Comments Off on State Health Authority Yardstick (SHAY) Share This Story, Choose Your Platform! FacebookTwitter About the Author: Jessica Marbacher