Which of the following best defines psychology as a scientific discipline?

• A. The study of the structure and function of the brain only
• B. The study of behavior and mental processes
• C. The study of physical health and diseases
• D. The study of human societies and cultures

Answer: (B)

Verified step by step guidance

1. Step 1: Understand that psychology is a scientific discipline focused on studying aspects related to humans and animals, particularly their behavior and mental processes.
2. Step 2: Recognize that behavior refers to observable actions, while mental processes include internal experiences such as thoughts, feelings, and perceptions.
3. Step 3: Differentiate psychology from other fields: neuroscience studies the brain's structure and function, medicine focuses on physical health and diseases, and sociology studies human societies and cultures.
4. Step 4: Identify that the best definition of psychology encompasses both behavior and mental processes, highlighting its broad scope beyond just the brain or physical health.
5. Step 5: Conclude that the correct definition of psychology as a scientific discipline is 'The study of behavior and mental processes.'