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Statistics: Scientific method · Research methods · Experimental design · Undergraduate statistics courses · Statistical tests · Game theory · Decision theory
A very wide range of research methods are used in psychology.
Some of the approaches include:
- Laboratory experimentation
- Correlational research
- Observational study, in which researchers study a population while attempting to change as little as possible.
- Experimental study, in which researchers change a variable in the group being studied.
- Psychometrics
- Prospective study, in which a study samples subjects as the experiment progresses. Cf. Retrospective study.
- Retrospective study, in which data is collected on subjects' histories at one time. Cf. Prospective study.
- Longitudinal study, in which subjects are studied over a course of time. Cf. Cross-sectional study.
- Cross-sectional study, in which a snapshot of the population is assumed to represent individuals as they progress through life. See also Longitudinal study.
- Meta analysis
- Qualitative research
- Computer simulation
- Concepts and Terms