Final answer:
Bernice displays traits of sociability and comfort with social interactions, which indicates that the personality aspect applicable to her is extroversion.
Step-by-step explanation:
Bernice is described as talkative, assertive, and sociable, and comfortable with interpersonal relationships. These traits align closely with the personality aspect of extroversion. Extroversion in the Five Factor Model is characterized by qualities such as sociability, assertiveness, excitement-seeking, and emotional expression. As an extrovert, Bernice is likely to be outgoing and warm, enjoying social interactions and feeling energized by spending time with others. Her talkative nature and ease in forming interpersonal relationships further support this personality dimension.