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How to improve the A-B-A withdrawal SSRD design?

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Discussion thread: General

Fongfong

7 June 2020

How to improve the A-B-A withdrawal SSRD design?

How to improve the A-B-A withdrawal SSRD design?

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Emily

20 June 2020

You are welcome!!

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Fongfong

20 June 2020

thanks

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Emily

20 June 2020

The investigator can add another intervention (B) phase after A-B-A. This can increase confidence in the intervention effect. This is called a withdrawal/reversal (ABAB) design

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