List of psychological research methods

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A wide range of research methods are used in psychology. These methods vary by the sources of information that are drawn on, how that information is sampled, and the types of instruments that are used in data collection. Methods also vary by whether they collect qualitative data, quantitative data or both.

Qualitative psychological research is where the research findings are not arrived at by statistical or other quantitative procedures. Quantitative psychological research is where the research findings result from mathematical modeling and statistical estimation or statistical inference. Since qualitative information can be handled as such statistically, the distinction relates to method, rather than the topic studied.

There are three main types of psychological research:

• Descriptive research
• Correlational research
• Experimental research

The following are common research designs and data collection methods:

• Archival research
• Case study
• Computational modeling
• Content analysis
• Controlled experiment
• Field experiment
• Interview, can be structured or unstructured.
• Meta-analysis
• Neuroimaging and other psychophysiological methods
• Observation, can be naturalistic, participant or controlled.
• Quasi experiment
• Self-report inventory
• Random sample survey
• Twin study

Research designs vary according to the period(s) of time over which data is collected:

• Retrospective study: Subjects are chosen, then data is collected on their past experience.
• Prospective study: Subjects are recruited prior to the proposed independent effects being administered or occurring.

• Cross-sectional study, in which a population sampled on all proposed measures at one point in time.
• Longitudinal study: Subjects are studied at multiple time points: May address cohort effects and indicate causal directions of effects.

Research in psychology has been conducted with both animals and human subjects:

• Animal research
• Human subject research

References

• Stangor, Charles. (2007). Research Methods for the Behavioral Sciences. 3rd ed. Boston, MA: Houghton Mifflin Company.
• Weathington, B.L., Cunningham, C.J.L., & Pittenger, D.P. (2010). Research Methods for the Behavioral and Social Sciences. Hoboken, NJ: John Wiley & Sons, Inc.

External links

• Research methods at The Psychology Wiki