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What are some of the examples of “unnaturalness” that threaten external validity?

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Herman
14 May 2020
What are some of the examples of “unnaturalness” that threaten external validity?

What are some of the examples of “unnaturalness” that threaten external validity?

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Joey Fong
20 June 2020

Welcome, my pleasure 

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Herman
20 June 2020

Thank you for your explanation.

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Joey Fong
20 June 2020

1.Reactive effects of testing: if subjects are affected by pretest, findings may not be accurately generalized to the unprotested population
2.Reactive settings: Experimenter’s expectations: experimenters themselves introduce distortion into the results and this reduces generalizability

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