The Starflight Handbook: A Pioneer's Guide to Interstellar Travel. New York: John Wiley & Sons, 1989
I believe the answer is to get a complete impression of the person.
It’s not to force the interviewee to give straight answers because they might be more stressed.
It’s not to give the interviewee time to think over questions because that would make more sense to give them a paper to fill out as an interview.
Answer:
The bias Elsie shows in her letter is that she is on the side of the teachers, having been one herself and knowing just what problems they face.
Explanation: