How to perform a power analysis for a Dif-in-Dif?

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How to perform a power analysis to calculate the sample size for a change between two periods between control and treatment group (Dif-in-Dif)?

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Bozor Dzhumaevich Ulugov Popular answer

I completely agree with your opinion

Bozor Dzhumaevich Ulugov

Marc Jones

If I get this right, you want to compare two groups at two different times. If you install jamovi (jamovi.org) and then install the jpower module, you can work out the sample size based on the power that you want.