English as a second language; ESL; TESOL ; Metalinguistic awareness; Phonologische Bewusstheit; Phonological awareness; Focus on form (language teaching) ; Sprachbewusstsein; Linguistic awareness ; Visuelle Wahrnehmung (von geschriebener Sprache) ; Visual perception (of written language) ; Reading (psycholing.) ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Monolinguale Ideologie; Monolingual ideology; Sprachliche Unsicherheit; Linguistic insecurity ; Second language acquisition (psycholing.) ; Processability theory; Language comprehension (second language acquisition) ; English