Answer: Cognitive appraisals
Step-by-step explanation:
Cognitive appraisal is the method through which a person tends to interpret any particular situation in such a manner that perception or view about that situation becomes stressing
According to the question,Samantha and Brenda are indulged in cognitive appraisal as they are attributing low grade in exam to unfair test or low intelligence level. They have perceived the exam situation to be stressful as per their interpretation.