Kathryn always watches the reruns of her favorite TV show. She generally doesn't smile or show any expression while watching these. Once, while watching an episode, Kathryn was asked to smile by her mom. When she watched the episode while smiling, she reported finding the episode more humorous, even though she had seen it several times earlier. This behavior is consistent with the .

"Facial-feedback hypothesis"

Explanation:

In psychology, the idea behind the facial-feedback hypothesis is that the facial expressions we make directly influence our emotional experiences.

The question mentions that Kathyrn seemed to enjoy the show more once she was prompted by her mom to smile while watching it. This would be a prime example of this theory. I hope this helped!

answer; extroversion;