Answer:
very high arousal can hurt her performance.
Explanation:
In psychology, the given question can be explained according to the theory that encompasses arousal as well as performance. The theory that explains the given scenario is named as "Yerkes–Dodson law".
The given theory states that an individual's performance tends to increase along with the mental or physiological arousal yet only to a specific point. When an individual's arousal level becomes too high then his or her performance decreases.
In the question above, the best advice that can be given to Parvati is that she should calm herself down because very high arousal can also destroy her performance.