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International Personality Item Pool
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About International Personality Item Pool
Scale Name
International Personality Item Pool
Author Details
Lewis R. Goldberg
Translation Availability
Not Sure
Background/Description
The International Personality Item Pool (IPIP) is a freely available public domain database of personality items. It was developed by Lewis R. Goldberg and his colleagues at the Oregon Research Institute in the early 1990s. The IPIP was created to address the need for a common pool of personality items that could be used to develop and validate personality measures in a variety of languages and cultures.
The IPIP currently contains over 3,000 items measuring a wide range of personality traits, including the Big Five personality factors (extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience), as well as other individual differences such as self-esteem, optimism, and social skills. The items are available in over 50 languages, making the IPIP a truly international resource.
The IPIP has been used by researchers from all over the world to develop and validate new personality measures, as well as to study the personality correlates of a wide range of outcomes, such as academic achievement, job performance, and mental and physical health. The IPIP has also been used by clinicians to assess personality in their clients.
Here are some of the benefits of using the IPIP:
- It is freely available in the public domain, meaning that anyone can use it without permission or charge. This makes it a valuable resource for researchers and clinicians alike.
- It is a large and comprehensive pool of personality items, covering a wide range of traits and individual differences.
- The items have been translated into over 50 languages, making it an international resource.
- The items have been psychometrically evaluated to ensure that they are valid and reliable.
Administration, Scoring and Interpretation
The specific method of administration that is most appropriate will depend on the research or clinical setting. For example, online administration may be most convenient for large-scale research studies, while paper-and-pencil or computer-administered administration may be more appropriate for clinical settings.
When administering the IPIP, it is important to provide participants with clear instructions and to ensure that they understand the purpose of the assessment. It is also important to inform participants that the IPIP items are not designed to be used for diagnostic purposes.
Here are some general tips for administering the IPIP:
- Make sure that participants are in a quiet and comfortable environment.
- Give participants clear instructions on how to complete the assessment.
- Be available to answer any questions that participants may have.
- Inform participants that the IPIP items are not designed to be used for diagnostic purposes.
- Thank participants for their time and participation.
Reliability and Validity
The International Personality Item Pool (IPIP) has been shown to be a reliable and valid measure of personality.
Reliability refers to the consistency of a measure across repeated administrations. The IPIP has been shown to have high internal consistency reliability, meaning that the items within each scale are highly correlated with each other. The IPIP has also been shown to have good test-retest reliability, meaning that scores on the IPIP are relatively stable over time.
Validity refers to the extent to which a measure measures what it is intended to measure. The IPIP has been shown to have good convergent validity, meaning that it correlates with other measures of the same personality traits. The IPIP has also been shown to have good discriminant validity, meaning that it does not correlate with measures of different personality traits.
Available Versions
50-Items
Reference
Goldberg, L. R. (1999). A broad-bandwidth, public domain, personality inventory measuring the lower-level facets of several five-factor models. In I. Mervielde, I. Deary, F. De Fruyt, & F. Ostendorf (Eds.), Personality Psychology in Europe, Vol. 7 (pp. 7-28). Tilburg, The Netherlands: Tilburg University Press.
Goldberg, L. R., Johnson, J. A., Eber, H. W., Hogan, R., Ashton, M. C., Cloninger, C. R., & Gough, H. C. (2006). The International Personality Item Pool and the future of public-domain personality measures. Journal of Research in Personality, 40, 84-96.
Important Link
Scale File:
Frequently Asked Questions
What is the IPIP?
The IPIP is a freely available public domain database of personality items. It contains over 3,000 items measuring a wide range of personality traits, including the Big Five personality factors (extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience).
Who developed the IPIP?
The IPIP was developed by Lewis R. Goldberg and his colleagues at the Oregon Research Institute in the early 1990s.
Why was the IPIP created?
The IPIP was created to address the need for a common pool of personality items that could be used to develop and validate personality measures in a variety of languages and cultures.
How can I access the IPIP?
The IPIP is available for free download from the IPIP website: https://ipip.ori.org/
How can I use the IPIP?
The IPIP can be used to develop and validate new personality measures, as well as to study the personality correlates of a wide range of outcomes. It can also be used by clinicians to assess personality in their clients.
Is the IPIP reliable and valid?
Yes, the IPIP has been shown to be a reliable and valid measure of personality. It has been used in thousands of research studies and is widely respected by personality psychologists.
Do I need permission to use the IPIP?
No, the IPIP is in the public domain, meaning that anyone can use it without permission or charge.
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