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What are some of the threats to external validity?

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Discussion thread: Poverty, Social Disadvantage, and Social Protection
Herman
13 June 2020
What are some of the threats to external validity?

What are some of the threats to external validity?

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Emily
20 June 2020

Welcome, my pleasure

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Herman
20 June 2020

Thank you for your explanation.

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Emily
20 June 2020

-Unrepresentative samples: volunteers, enticed/coerced or available subjects—issue of overestimating or underestimating the effect of the treatment

-Issues of “unnaturalness”—what we learned from an experiment does not apply to the real world

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