Common Underlying View in Psychology: Empiricism
Empiricism is the foundational principle that unites various subfields of psychology. This perspective emphasizes the importance of observation and experimentation in the study of human behavior and mental processes. Below are key aspects that illustrate why empiricism is central to psychology.

Evidence-Based Practice
- Empiricism asserts that knowledge is derived from sensory experience.
- Psychologists rely on systematic observation and experimentation to gather data.
- This approach ensures that psychological theories are grounded in real-world evidence.

Scientific Method
- The scientific method is a cornerstone of empirical research in psychology.
- Psychologists formulate hypotheses, conduct experiments, and analyze results to draw conclusions.
- This structured approach allows for replicability and validation of findings across different studies.

Integration Across Subfields
- Whether in clinical psychology, cognitive psychology, or social psychology, empiricism fosters a common language and methodology.
- Each subfield applies empirical methods to address specific questions about behavior and mental processes.
- This unity enhances collaboration and cross-disciplinary research, enriching the field as a whole.

Continuous Evolution
- Empirical research in psychology is dynamic; it evolves with new evidence and techniques.
- As new discoveries emerge, existing theories can be revised or replaced, leading to a more profound understanding of human behavior.
- This adaptability is crucial for the growth of psychological science.
In summary, empiricism is the common thread that binds various subfields of psychology, promoting a rigorous, evidence-based approach to understanding the complexities of human behavior.