Answer:
In-depth interview
Step-by-step explanation:
Nadira is conducting a type of qualitative data collection called in-depth interview. In research methodology, in-depth interview is conducted by seeking information face to face from respondents. In some cases, it is done over call or mails for geographically dispersed population.
In case of face to face interview, questions can be asked based on the response from the audience, thereby obtaining in-depth information from them.