Fifteen Factor Questionnaire Plus.
15FQ+
- What it measures
- 16 Cattellian primary factors (incl. Factor B intelligence) reducible to 5 global factors (Extraversion, Anxiety, Tough-Mindedness, Independence, Self-Control) + response-style scales
- Length and format
- ~200 (commonly cited around 200 items). 3-option (agree/?/disagree) plus a reasoning subtest (self-report questionnaire)
- Language versions
- Translated into 25+ languages for global occupational testing (ES, FR, DE, IT, PT, NL, ZH, AR, and more)
- 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
- copyrighted - commercial
This instrument is not self-serve. Obtaining it means going to the publisher or the author. The source link below is the starting point.
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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
- Psytech International (2002). 15FQ+ Technical Manual. https://www.psytech.com
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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