Language acquisition, Dialect, English as a world language, English dialects, English language acquisition, English morphology, English phonetics and phonology, English semantics, English syntax, Frisian, German language acquisition, German phonetics and phonology, Intercultural communication, Language comprehension, Perception, Phonetics and phonology, Psycholinguistics, Psycholinguistics, Psycholinguistics, Psychology of cognition, Psychology of learning, Sociolects (child language, language of adolescents, immigrants, specialised language etc), Varieties of English outside the British Isles