Which type of appraisal involves judgment about the degree of potential harm or threat to well-being that a stressor might entrail?

Explanation:

A primary appraisal involves judgment about the degree of potential harm or threat to well-being that a stressor might entail, conversely, a stressor would likely be appraised as a challenge if one believes that it carries the potential for gain or personal growth.

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which of what? i am confused