Chapter 1
The Science of
Psychology and Its Research Methods
Learning Objectives for Chapter 1:
- Describe the subject matter of psychology and the use of operational
definitions.
- Describe why we may claim that psychology is a science.
- Explain why psychologists are sometimes referred to as scientist-practitioners.
- Describe psychologys roots in philosophy and science.
- Discuss how Descartes, Locke, and Darwin influenced psychology.
- Compare and contrast structuralism and functionalism.
- Discuss the contribution of women and minorities to the early development
of psychology.
- Describe psychoanalysis, behaviorism, humanistic, and Gestalt psychology.
- Discuss the biological, evolutionary, psychodynamic, cognitive, developmental,
cross-cultural, and positive approaches to psychology.
- Compare and contrast the different sampling methods (i.e., naturalistic
observation, surveys, and case history methods).
- Distinguish between correlational and experimental research.
- Explain the function of a correlation and discuss when this method is
appropriate.
- Explain the meaning of positive, negative, and zero correlation coefficients
and their magnitude.
- Understand the process of doing an experiment, and be able to identify
and define independent, dependent, and extraneous variables.
- Name and explain the major benefit provided by experimental research
that is lacking in observational and correlational research.
- Explain the advantage of factorial experiments over single-variable experiments.
- Explain how matching, random assignment, and baseline designs contribute
to control in experiments.
- Explain the general process of meta-analysis and its contribution to
research.
- Discuss the ethical considerations that are unique to psychological research
for both human and animal participants.
- Discuss problems in understanding and interpreting psychological research.