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

• A. The study of the structure and function of the human brain only
• B. The practice of diagnosing and treating physical illnesses
• C. The analysis of historical events and their impact on society
• D. The study of behavior and mental processes

Answer: (D)

Verified step by step guidance

1. Understand that psychology is a scientific discipline focused on studying behavior and mental processes, rather than just physical structures or historical events.
2. Recognize that psychology involves systematic observation, experimentation, and analysis to understand how individuals think, feel, and act.
3. Differentiate psychology from other fields such as medicine (which focuses on physical illnesses) and history (which studies past events and societal impacts).
4. Note that psychology encompasses both observable behaviors and internal mental processes, making it a broad and integrative science.
5. Conclude that the best definition of psychology as a scientific discipline is 'The study of behavior and mental processes' because it captures the full scope of the field.