“…This also applies to qualitative methods. Thanks to audio-visual recording of interviews, it is possible to isolate, for example, the respondent's statements (Koretzky, 2019), whilst preparing their transcription (Aichinger & Schoentgen, 2018), to form the basis in the analysis of sentiment (Liu et al, 2019), and image analysis and micro expression for emotional intensity of expression (Benini et al, 2019). This approach increases the scale of research, as the effort necessary to prepare the decomposition procedure for qualitative material is the same for both 10 and 1000 interviews.…”