What are the advantages and disadvantages randomized controlled trial ?

Randomized controlled trial is a form of research in which people are selected randomly to compare the outcomes of two or more clinical interventions.

ADVANTAGES OF RANDOMIZED CONTROLLED TRIAL

1)It does not give room to bias treatment as individuals are selected randomly.

2)It aids blinding of identity of treatment from investigators,participants and assessors.

3)One treatment is compared to another to establish best treatment approach.

DISADVANTAGES OF RANDOMIZED CONTROLLED DATA

1)Clinical trial that test for efficacy may not be generally applicable.

2) Results gotten may not be compared to real life situation.

3)It is expensive to run and it also wasted time to conduct .

Explanation:

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; ha,ha,ha, corn on the cop;