Respuesta :
Answer:
A randomized controlled trial is a kind of scientific experiment and it try's to reduce the certain sources of bias when testing the effectiveness of new treatments.
Answer:
"A randomized controlled trial (RCT) is an experimental form of impact evaluation in which the population receiving the programme or policy intervention is chosen at random from the eligible population, and a control group is also chosen at random from the same eligible population."
Step-by-step explanation: