TITLE: Error correction of pronunciation of Czech students in German lessons ABSTRACT: This master thesis deals with error correction of pronunciation of Czech students in German lessons. Theoretical part of this thesis explains the importance of phonetics in German lessons, first the term error is defined in general sense and then the thesis focuses on pronunciation errors of Czech speakers. The thesis also deals with methods of pronunciation correction, question what is considered as an error in the field of phonetics and also reflects the error tolerance of teachers while correcting the pronunciation errors. The practical part of the thesis introduces a phonetic experiment that was conducted at elementary and secondary schools in Prague. On the basis of the evaluation of phonetic questionnaires and analysis of the inspections in the classes, the thesis comes to the conclusion about the tolerance threshold of teachers while correcting pronunciation errors of Czech speakers. KEY WORDS: Error, correction of pronunciation errors, autocorrection, tolerance threshold of teachers, type of appeal to error correction