Overview
This lecture introduces psychology as the scientific study of mind and behavior, discusses its scientific foundations, and explains the value of a psychology education.
Defining Psychology
- Psychology is the scientific study of the mind and behavior.
- Psychologists use the scientific method to acquire knowledge about behavior and mental processes.
- A hypothesis is a tentative explanation that can be tested through observation or experiment.
- A scientific theory is a broad explanation for aspects of the natural world, supported by evidence over time.
- Scientific knowledge in psychology is based on measurable, perceivable phenomena.
- Psychological science is empirical, relying on observable and measurable data.
- Empiricism holds that knowledge comes from experience and observation, not just reasoning or authority.
Psychology as a Science
- Psychology became a distinct scientific discipline in the late 1800s.
- Early studies of the mind were part of philosophy before psychology gained status as a science.
- Psychology is considered both a natural science (biological roots of behavior) and a social science (influenced by interaction).
- Unlike literature or history, psychology applies scientific methods to understand behavior.
Merits of Studying Psychology
- Studying psychology develops critical thinking and scientific literacy.
- Critical thinking includes skepticism, recognizing bias, logical reasoning, and evaluating reliability of information.
- Psychology education improves communication skills.
- Students gain an understanding of how biology, environment, and experience shape behavior.
- Psychology promotes appreciation for individual and cultural diversity.
Key Terms & Definitions
- Psychology — the scientific study of mind and behavior.
- Scientific method — systematic process for collecting and evaluating evidence.
- Hypothesis — a testable, tentative explanation for an observed phenomenon.
- Scientific theory — a well-supported broad explanation for aspects of the natural world.
- Empirical method — acquiring knowledge through observation and experimentation.
- Critical thinking — actively evaluating information using logic, skepticism, and evidence.
Action Items / Next Steps
- Review the learning objectives: define psychology and understand the value of its education.
- (Optional) Watch the video on questions to consider before majoring in psychology.
- Read the next section: History of Psychology.