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What effect does randomization in a large intervention study have?' a. Minimizes bias in the observation...

What effect does randomization in a large intervention study have?'

a. Minimizes bias in the observation of outcomes of interest

b. Minimizes potential bias in the allocation of participants to treatment group

c. Both A and B are correct.

d. Neither A nor B is correct.

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Answer #1

Answer :b

Randomisation is a statistical method.

In this the participants are allocated randomly into two groups.

The study group and the control group.

The investigator have no control over allocation of participants.

In this every individual get equal chance to be selected for both groups.

It minimises potential bias of allocation of participants.

a) Wrong answer.

It doesnot minimises bias in the observation of outcome of interest.

The out come may vary if any wrong result entry occurs  or by any other reasons etc.

b) Correct answer.

Minimises potential bias in the allocation of participants to treatment group.

In this every individual have equal chance to be allocated to both groups.

c)wrong answer.

Only answer b is correct.

d) wrong answer.

Answer a is wrong.

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