Personality refers to the relatively stable pattern of behaviors, thoughts, and emotions that make up an individual. It encompasses the unique ways in which a person thinks, behaves, and reacts to different situations.
- Mood (A) refers to a temporary state of emotional expression, which is not stable over time.
- Attitude (C) is a mental state or opinion toward something, which can change depending on circumstances.
- Temperament (D) refers to a person's basic emotional style, often present from infancy, but personality is a broader concept that includes temperament along with learned behaviors.
Therefore, the correct answer is (B), personality.