What Jenna was subject to is Overconfidence, a form of cognitive bias.
She had overestimated her capabilities as far as the quiz was concerned.
This refers to a cognitive bias in which a person overestimates their ability to execute or perform a task successfully.
It may also refer to one's belief that one can perform better than others.
See the link below to learn more about Overconfidence:
https://brainly.com/question/25324915