While interviewing candidates for a job vacancy, an interviewer asked different questions with varying degrees of difficulty to different candidates. No pre-established list of questions was used during the interview. The interview described in this case is most likely to be an example of a(n) ___ interview.

A) structured
B) behavioural
C) unstructured
D) situational
E) operational

Unstructured

Refers to situations, data, or processes that lack a predefined data model or organization, making them more complex to understand and analyze.

Interviewer

a person who asks questions, often for purposes such as job recruitment, media broadcasting, or research.

Candidates

Individuals who are considered for or applying to a position, role, or opportunity, typically in the context of employment or election.