Apersonality test reveals that jacqueline is antagonistic, ruthless, and suspicious, while melissa is acquiescent, soft-hearted, and trusting. it appears that jacqueline and melissa have scored at opposite ends of the dimension of the five-factor model.

It appears that Jacqueline and Melissa have scored at opposite ends of the "agreeableness" dimension of the five-factor model.

Explanation:

Agreeableness is one of the five personality traits and the qualities which are included in this personality dimension is about belief, humanity, sympathy, friendliness, and other pro-social behaviors.  

Individuals who are in high level of agreeableness are more cooperative and show affection care to other while individuals who are in low level of agreeableness are somehow opposite to them.

i truly dont know the answer wait i do its 1,3,4