hello lee-usmle, do u have any idea if the research training course (6mth) done in home country have any value for research application in US, I have check this site 'cra.com "that u mention thou the time spent is quite small about 1mth but it cost too much about 4000$, for me as an Indian it almost 2lac/-.There's no magic answer for this commonly asked question.
There are two types of institutes that do research in USA. Universities and dedicated research institutes.
Doing research significantly boosts your application for residency and most students will try to do it right after they finish their USMLE exams while here in USA.
You can also increase your chances by getting a research job if you take the clinical research training course from these people www.cra-training.com