Following is NOT a benefit of Randomization:: (A) Reduction of bias in selection of groups, (B) Ensure comparability of both groups, (C) Facilitates blinding of treatment, (D) Increases external validity of study
Answer is D. RANDOMISATION IN RCT causes: Reduction of selection bias Ensure comparability of both groups Ensure similar prognostic factors in both groups Facilitates blinding of treatment Increases Internal validity of study. Hence option-4 is answer.