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PSY 3402: Experimental and Research Methods: 9: Statistics

Find Statistics

Step 9: Statistics help.

Statistics are a great way to show that your topic is relevant, important, or has an impact.  You can...

  • find statistics to bolster (or detract from) your argument.  This is a great way to get to understand your topic better, or...
  • at a more advanced level, you may end up looking at data sets - this is the data from other researchers which is available to use and might have valuable information pertinent to your topic...but it takes time to analyze the data and see how it affects your argument. 

Statistics and Data Sets

Useful sites for data sets and statistics...


Lists of data sets:

Specific data sets:

  • NHANES:  National Health and Nutrition Examination Survey from the Centers for Disease Control and Prevention (CDC).  Includes questionnaires, datasets and related documentation.
  • NHIS: National Health Interview Survey from the CDC.  Includes questionnaires, datasets and related documentation.
  • ADD-Health:  The national longitudinal study of adolescent to adult health hosted at the University of North Carolina. 
  • NIF:  The Neuroscience Information Framework is an offshoot of the National Institutes of Health.
  • SAMHDA:  Substance Abuse and Mental Health Data Archive (SAMHDA) is searchable on the ICPSR database hosted by the University of Michigan.
  • The Clinical Trials is a registry and results database from the National Institutes of Health.
  • has a lot of different types of datasets, including some that are helpful for Psychology.