Q.How does the selection (employment) interview differ from the preliminary interview conducted earlier in the process?

Both stages are called "interviews," but they occur at different points and serve very different purposes in the selection sequence.

The preliminary interview is brief and informal, conducted relatively early in the process (right after screening of applications), and its purpose is limited to eliminating candidates who are obviously unsuitable — for example, due to poor communication or an unrealistic expectation — before further time is spent evaluating them through tests and detailed interviews.

The selection (employment) interview, by contrast, comes much later, after a candidate has already cleared the preliminary interview and any employment tests. It is a far more thorough and formal interview, usually conducted by the department with the actual vacancy (sometimes jointly with HR staff), and its purpose is to assess the candidate in depth — technical knowledge, communication ability, attitude, and overall fit with the job and the organisation. It is also a genuin …

Treating the two interviews as the same event held twice, rather than as two distinct stages with differe …