Hi, Dr. MEL. Our institution is commissioned to evaluate the impact of educational anti-drug activities on ND for the public. I have learned about some evaluation methods from the MEL courses but forget the details to run them in a real project. For example, could you please tell me what to consider when determining the sample size?

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Lily

2022年10月26日

Hi, Dr. MEL. Our institution is commissioned to evaluate the impact of educational anti-drug activities on ND for the public. I have learned about some evaluation methods from the MEL courses but forget the details to run them in a real project. For example, could you please tell me what to consider when determining the sample size?

Hi, Dr. MEL. Our institution is commissioned to evaluate the impact of educational anti-drug activities on ND for the public. I have learned about some evaluation methods from the MEL courses but forget the details to run them in a real project. For example, could you please tell me what to consider when determining the sample size?

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Nelson

2022年10月26日

Not at all.

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Lily

2022年10月26日

Got it! Thanks for sharing.

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Nelson

2022年10月26日

You may need to consider the desired power, the expected effect size and the acceptable level of significance.

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