If a student assesses the situation to determine how much time it will take to adequately studying for the upcoming exam, this is an example of primary appraisal.
Primary appraisal is said to be the cognitive process which occurs when one is appraising that whether an event is considered to be stressful and relevant to him or her. So here, during this phase, a decision is made about whether the event poses a threat, will cause harm or loss, or whether it presents a challenge or not.
So, in this case, when a student determines that the time which is taken to studying for an exam, it is an appraisal which tends to help the student in order to identify the relevance of the exam and also it evaluates the upcoming exam.
Hence, this helps the student in order to react to exam in a manner which is desired.
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