https://www.nesta.org.uk/feature/measuring-our-impact/helping-hospitals/
Using matched-control groups to evaluate a volunteering scheme | Nesta
We partnered with The Cabinet Office and The Department of Health and worked with ten UK hospital trusts from 2014 to 2016 to help them build significant...
matched controlusinggroupsevaluatevolunteering
https://www.ojp.gov/ncjrs/virtual-library/abstracts/development-matrix-matched-quality-control-materials-and-sample
Development of Matrix Matched Quality Control Materials and Sample Preparation Techniques for the...
This is the Final Report of an NIJ-funded research project with the goal of developing matrix-matched quality-control materials and sample-preparation...