Final answer:
Abnormal behavior, or unexpectedness, refers to behavior that deviates from what is considered normal for a specific individual. It can be influenced by cultural norms, personal beliefs, and situational context.
Step-by-step explanation:
Abnormal behavior, also known as unexpectedness, refers to a behavior that is not normal for a specific individual. It can be characterized by actions that deviate from what is commonly observed or expected in certain situations. For example, if a person who is usually quiet and introverted suddenly becomes very loud and outgoing, this would be considered abnormal behavior for that individual. Abnormal behavior can be influenced by various factors such as cultural norms, personal beliefs, and situational context.