Respuesta :
The reason why randomized controlled trials are considered to produce the most reliable results represents that reduced bias.
What are randomized controlled trials?
It is the experimental form for impacting the evaluation where the population should receive the programme or the policy should be intervented on a random basis from the eligible population also the control group should be selected on the random basis
Therefore, the last option is correct.
Learn more about trials here; https://brainly.com/question/24839533