Charles Hulme, Joshua McGrane, Mihaela Duta, Gillian West, Denise Cripps, Abhishek Dasgupta, Sarah Hearne, Rachel Gardner, Margaret Snowling
LanguageScreen: The Development, Validation, and Standardization of an Automated Language Assessment App
Language, speech, and hearing services in schools
critical need widespread information dissemination agricultural best practices africa literacy language resource barriers often impede information dissemination culturally linguistically localized computeranimated training videos placed youtube promoted paid advertising potential tool help overcome barriers goal study assess feasibility reaching languagediverse populations africa using new type information dissemination channel case study cost estimates obtained youtube ad campaigns video prevent postharvest loss safe food storage using sanitized jerrycan containers seventythree video variants created common 16 languages ghana 35 languages kenya 22 languages nigeria using videos campaigns deployed country wide focused zones influence represent economically underdeveloped regions known produce beans suitable jerrycan storage using data collected youtube ad campaigns languagespecific models created country estimate many viewers could reached per us dollar spent separate models created estimate number viewers watched 25 75 video video without end credits reflecting different levels engagement language campaigns country wide zone influence areas deployment separate regionspecific models created models showed estimated number viewers per dollar spent varied considerably amongst countries languages average expected number viewers per dollar spent 18 range 0273 25 watched 08 range 0132 75 watched ghana 12 0248 25 watched 05 range 0120 75 watched kenya 04 range 0213 25 watched 02 range 0105 75 watched nigeria english versions video costeffective reaching viewers ghana nigeria kenya english language campaigns ranked 28 country wide 36 zones influence 37 analyzed campaigns results also showed many local language campaigns performed well opening possibility targeted knowledge dissemination topics importance local populations potentially cost effective addition targeted information dissemination appears feasible even regional global crises inperson training may possible summary leveraging multilingual computeranimations digital platforms youtube shows promise conducting largescale agricultural education campaigns findings current study provides justification pursue rigorous prospective study verify efficacy knowledge exchange societal impact form information dissemination channel