The student hears an interval and must choose from (2 or) 3 possible answers the right one

To be set by the teacher:
• root note: variable or fixed
• mode of playback: one after the other or at the same time
• mode of playback if one after the other: ascending, descending or random
• playback speed: very slow / slow / medium / fast
• display: text or notes

Content to be selected by the teacher:
perfect prime, minor second, major second, minor third, major third, perfect fourth, augmented fourth, perfect fifth, minor sixth, major sixth, minor seventh, major seventh, perfect octave, augmented octave, major ninth, minor decime, major decime, perfect undecime, augmented undecime, perfect duodecime