There is some basic information which is usually offered and collected at the beginning of an interview.
Introducing
— Introduce yourself (name, position, office...)
— Purpose (this needs to be written and inserted so that everyone can explain it clearly and in the same way)
— Timing and planning
Personal information about the informant
Name of the informant
— Age
— Sex
— District
— Commune
— Village
Educational/professional background of the informant
— Qualifications
— Training courses attended
— Work/professional experience (years/level)