Word level test ; English as a second language; ESL; TESOL ; Strategie (Lerntheorie) ; Strategy (learning theory) ; Learning strategy ; Wortschatz (Sprachunterricht) ; Lernwortschatz; Vocabulary teaching ; Association ; Zweitspracherwerb (lex.) ; Second language acquisition (lex.) ; Vocabulary (second language acquisition) ; Colligation; Collocation