Just came back from hospital. I have a two-hour statistic lecture. There is not much thing to comprehend but we spend lot of time discussing on creating the most appropriate research question and study design. It was quite hard to do since there are many possibility of bias and confounding factors. One student even mentioned the possibility of participants lying and to solve this problem, another person suggested that by doing randomised control trial, we already equally distributed the persons who are lying :D. I never perceived RCT that way and this opinion certainly struck my mind.
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