🌐EnglishEnglishDeutschFrançaisPolskiPortuguêsРусскийไทย中文日本語EntityQ1057880· pop 9· linked from 137 articlesexternal validityvalidity of applying the conclusions of a scientific study outside the context of that studyAvailable in 9 languagesFrançais中文日本語РусскийPortuguêsPolskiUkrainianไทยvia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitydigital object identifierEntityCategoriesCausal inferenceValidity (statistics)