Answer:The overconfidence effect
Explanation:
The overconfidence effect occurs when one tends to overestimate their capability in a way that is beyond reasonable objective judgements. The person overestimate what they can do for example planning fallacy which occurs when someone overestimate or underestimate the time it will take them to finish a task.
For example you have a test next week but you decide to only study a night before a test because somehow you believe you can still do great with just that limited amount of time, only to find that the work becomes too much more than you thought it would be. This occurs because you were Overconfidence.
