IPIP Big-Five Factor Markers (100-item).
IPIP-100
- What it measures
- Big Five domains (E, A, C, Emotional Stability, Intellect/Imagination); domain-level, higher precision than IPIP-50
- Length and format
- 100 (20 per domain). 5-pt Likert (very inaccurate - very accurate) (self-report questionnaire)
- Language versions
- Multiple language validations (China, Scotland-English, Greece, plus ES/FR/DE/PT research versions)
- Normative data
- No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.
- Licence
- public-domain / open
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Goldberg, L. R. (1992). Psychological Assessment, 4(1), 26-42; IPIP at https://ipip.ori.org
Choosing between this and the alternatives
We do not deliver this instrument. If you are selecting a measure for a research programme, a national survey or an assessment product, and the question is which instrument, in which language, against which norms and under which licence, that is the work we do.
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