Interview (language testing) ; Oral English Proficiency Test; Teste de Proficiência Oral em Língua Inglesa; Simulated Oral Proficiency Interview; OPI; SOPI; TEPOLI; OEPT ; DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; ELE; Español como segunda lengua; ELSE ; FLES ; Lehrerausbildung; Teacher training; Lehrerfortbildung; In-service teacher training; Teacher education ; German ; French ; Spanish