Similar studies are documented in US in schools such as Howard and in certain populations of students. Medical schools desiring to meet the needs of their region will pay attention to who is admitted. MCAT and GPA are not good predictors of medical school performance. Psychosocial measures contribute more to outcomes such as basic science and clinical evaluations. http://www.aamc.org/students/mcat/research/bibliography/hojat001.htm
The question is, will new forms of testing help or hurt the distribution of physicians and the great losses of physicians from South Africa?
Worldwide, medical school admissions are constantly an issue attempting to balance performance and access, intellectual and admitting those who will go to underserved areas: Medical Schools Overseas Changing Admissions