Jamie was sure he would get an a on his psychology midterm because dr. pierpont was known for asking questions that required only common sense, not knowledge of specific facts. however, the questions were trickier than he expected, and he earned only a b. this scenario illustrates the thinking error known as:

This scenario illustrates the thinking error known as "overconfidence".

Overconfidence alludes to a biased method for taking a gander at a circumstance. When you are overconfident, you misconceive your esteem, supposition, convictions or capacities and you have more certainty than you should given the target parameters of the circumstance.  

Overconfidence can make a man encounter issues since he may not get ready appropriately for a circumstance or may get into an unsafe circumstance that he isn't prepared to deal with.

the answer your looking for is c. : )