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IPIP NEOThe IPIP-NEO (International Personality Item Pool Representation of the NEO PI-R™)

Purpose of this On-Line Inventory

  • The primary purpose of this on line inventory is to educate the public about the five factor model of personality.
  • More specifically, the report explains the likely consequences of one's standing on five broad personality domains.
  • These broad domains cover normal differences in personality that should be obvious to people who know you well.
  • Secondarily, this inventory estimates your standing on the 5 broad domains and 30 sub domains of personality.
  • The inventory does not reveal hidden, secret information about you nor does it assess serious psychological disorders.
  • The report is designed to be objective, not pleasing or flattering.
  • Measurement error, misunderstandings, carelessness, and mischievous responding can invalidate the report.
  • If knowledgeable acquaintances disagree with the test results, then the results are wrong.

Acknowledgment that you understand the limitations of the test results: Before you can access the test, you must endorse the statement below by clicking the checkbox.

   Yes, I understand that responding to all items on this inventory is time consuming and that technical difficulties may prevent the results from being displayed. I am responding to this inventory with the full knowledge o the risk that I might not receive results. I accept full responsibility and risk for the time I invest in responding to this inventory.

   Yes, I understand that the primary purpose of this site is to educate the public about the five factor model of personality, and only secondarily, to estimate the respondent's standing within the five factor model.

For further information

  • The full IPIP contains 1,699 items assembled by Dr. Lewis R. Goldberg. The URL for Dr. Goldberg's IPIP is http://ipip.ori.org/. The IPIP is in the public domain and its items can be freely downloaded from that site.
  • The IPIP-NEO is not equivalent to the commercial inventory on which it is based, the NEO PI-R™, authored by Paul T. Costa, Jr. and Robert R. McCrae.
  • The scoring and narrative report routines for these items were created by Dr. John A. Johnson, Professor of Psychology, Penn State University.

   Clicking this button will take you to the first 60 questions only if you have acknowledged that you have read the above information.