Spelling Mistake in Academic Talk 25 – Question 7

TOEFL TOEFL Listening
1

I noticed a spelling mistake in TOEFL → Listen to Lecture → Academic Talk 25 → Question 7. Please check and correct it.

2

Done.

3

I had another doubt with Academic Talk 25 - Question 8.
Q. What is the speaker’s attitude toward unreliable narrators?
A. They are useful literary devices.

where is the evidence in the talk that unreliable narrators are useful literary devices?