When a fixed list of questions is administered to all the participants in the same order, it is known as a

A fixed list of questions asked to all in the same order is a structured interview.

Its standardised wording and sequence make responses comparable across participants.

A summative interview is not a standard interview type in this sense.

A formative interview is exploratory and flexible, not fixed in order.

Fixed question interview is not the accepted technical term for this design.

An unstructured interview instead lets questions vary freely with the flow.