External Validity: Is There Still a Problem?

  title={External Validity: Is There Still a Problem?},
  author={Alexandre Marcellesi},
  journal={Philosophy of Science},
  pages={1308 - 1317}
  • A. Marcellesi
  • Published 1 December 2015
  • Philosophy, Economics
  • Philosophy of Science
I first propose to distinguish between two kinds of external validity inferences, predictive and explanatory. I then argue that we have a satisfactory answer to the question of the conditions under which predictive external validity inferences are good. If this claim is correct, then it has two immediate consequences: First, some external validity inferences are deductive, contrary to what is commonly assumed. Second, Steel’s requirement that an account of external validity inference break what… 

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