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Could you provide with me a list of threats to internal validity?

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Lily Poon
2020年5月16日
Could you provide with me a list of threats to internal validity?

What are the threats to internal validity?

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Tanka Wong
2020年5月18日

Welcome! 

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Lily Poon
2020年5月18日

Thank you very much.

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Tanka Wong
2020年5月18日

I can name some for you. For example, loss of participants, confounding, the exchange of information between the treatment and control groups, observer bias, and so on.

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