Answer: OPENNESS
Explanation:Five-factor model is a five personality traits description which categories the traits of different persons into five Factors.
1) Extraversion is a trait or Behavior where someone prefer being around people than to be alone.
2) conscientiousness is a personality trait or Behavior of being care,these persons are always mindful of their actions,they are very diligent.
3) Openness is a personality trait or Behavior where a person is ready to accept new ideas,this is the trait of Kayla.
4) Agreeableness is a personality trait where the person is seen as kind,he is ready to agree in different situations,they are sympathetic.
5) Neuroticism this is a personal trait of persons who are likely to be Moody,they easily get worried or anxious.