Answer: Margarita has an INTERNAL locus of control and would rate high on the CONSCIENTIOUSNESS dimension of personality.
Step-by-step explanation:
What is meant by internal locus of control?
When a person believes that their success is dependent on their effort and abilities that means they have internal locus of control. They expect success because they believe everything is in their hands and they can make it happen if they put effort to it, they eventually get even more driven to succeed. For example Margarita believes she controls her destiny.
A person with an external locus of control however believes success is dependent on luck and fate. These are the people who are usually constantly worried since they feel like they are not in control of their lives. This doesn't however means they won't strive for success because they are also other factors that contribute to the person's motivation.
Conscientiousness is the personality trait which makes someone be more vigilant. They perform their task accurate and effectively. They always keep their words to others and take obligations seriously. This is observed in Margarita as she is mentioned to be dependable and responsible.