Which of the following best defines the field of psychology?

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

Answer: (D)

Verified step by step guidance

1. Step 1: Understand that psychology is a scientific discipline focused on studying behavior and mental processes, rather than physical structures or historical events.
2. Step 2: Recognize that the study of the structure and function of the human body falls under biology or anatomy, not psychology.
3. Step 3: Note that diagnosing and treating physical illnesses is the domain of medicine, not psychology.
4. Step 4: Understand that analyzing historical events and their societal impact is related to history or sociology, not psychology.
5. Step 5: Conclude that the best definition of psychology is the scientific study of behavior and mental processes, as it captures the core focus of the field.