Randomised Controlled Trials

Recently, Randomised Control Trials technique has transformed Tuberculosis (TB) treatment.

What are Randomised Controlled Trials?

  • Randomised Controlled Trials (RCTs) divide a population into smaller groups to compare the effects of an external stimulus.
  • For instance, to evaluate a free grains distribution scheme's impact on nutrition levels, researchers would split the population into two groups at random.
  • The control group does not receive the stimulus (grains), while the treatment group does.
  • After a specific period, researchers collect and compare data on both groups to assess the stimulus's overall impact.


  • A placebo-controlled randomized trial might compare the effect of vitamin E supplement in one group of ....
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