Answer :
Neuroticism is a personality trait which is very likely to experience behavior of negative affects like anger, anxiety, irritability, depression etc.
Because Marshall has a high score in openness and a low score in neuroticism, that means he possess low quality of the Neuroticism personality trait.
Usually, one who score low on neuroticism personality test will usually
- Keep calm in stressful situations
- Always more optimistic
- Use to worry less
- Having stable mood etc
Therefore, Marshall is likely to possess the listed behaviors.
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