Home›Observation›observable variable🌐EnglishEnglishTiếng Việtفارسیहिन्दी中文日本語EntityQ7075422· pop 5observable variableSign in to savevariable that can be observed and directly measuredAvailable in 5 languagesहिन्दीTiếng Việtzh_yueفارسیvia Wikidata sitelinks · CC0Connectionslatent variableEntityCategoriesObservationSocial researchStatistical data types