When undertaking improvement in healthcare it is helpful to remember about our own bias. Conscious or unconscious bias.
There is a great tool by Harvard university called Implicit. It takes about 10-15 minutes to have a go and it is a very interesting way of doing research in this area.https://implicit.harvard.edu/implicit/
NOTE: Swapnil Hiremath, MD refers me to an updated article by the NYTimes.
Almost two decades after its introduction, the implicit association test has failed to deliver on its lofty promises. http://nymag.com/scienceofus/2017/01/psychologys-racism-measuring-tool-isnt-up-to-the-job.html