When we are frightened after observing a look of fear in others, the look of fear in others may be functioning as:
A) a CS or a US.
B) a CR or a UR.
C) Both a and b are correct.
D) Neither a nor b is correct.

Question

Quizplus · Accepted Answer

The look of fear in others can serve as a conditioned stimulus (CS) if we have learned to associate it with something frightening, or as an unconditioned stimulus (US) if it innately triggers a fear response in us without prior learning.

When We Are Frightened After Observing a Look of Fear