M5-120 / M5-50 (IPIP Five-Factor measures).
M5-120 / M5-50
- What it measures
- Five-Factor Model: 5 domains + 25 facets (M5-120, parallel to the AB5C/NEO facet structure) or 5 domains only (M5-50); public-domain IPIP items
- Length and format
- M5-120 (120 items, 25 facets) and M5-50 (50 items, 5 domains). 5-pt Likert (very inaccurate - very accurate) (self-report questionnaire)
- Language versions
- English original; the public-domain items permit translation; community use
- 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Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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
- McCord, D. M. (2002). M5-120 Questionnaire. International Personality Item Pool (https://ipip.ori.org). See also Johnson IPIP-NEO for the facet-level open standard.
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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