About | IPIP

What is IPIP?

The International Personality Item Pool (IPIP) is a scientific collaboratory for the development of advanced measures of personality and other individual differences. The IPIP provides public-domain personality test items and scales that can be used for research and educational purposes.

All IPIP items and scales are in the public domain and may be used without restriction. The project was created to provide researchers and educators with free access to personality assessment materials.

About This Website

This website is a modern recreation of the original IPIP project (ipip.ori.org). It provides:

Interactive online testing for all IPIP test batteries
A searchable database of 3,200+ personality items
Multi-language support with translations in 30+ languages
Complete preservation of the original IPIP archive
Modern, accessible interface with mobile support

All original content has been preserved without modification. The archive contains technical documentation, scoring guides, research papers, and translation files from the original project.

Test Batteries Available

This site includes 16 different personality test batteries covering various personality frameworks:

Big Five - The five-factor model of personality
NEO-PI-R - Comprehensive personality assessment with 30 facets
HEXACO - Six-factor personality model
VIA - Character strengths and virtues
16PF - Sixteen personality factors
CPI - California Personality Inventory
JPI-R - Jackson Personality Inventory
And more...

Privacy & Data

This is a static website with no backend server. All test-taking and scoring happens entirely in your browser:

No data is sent to any server
Test progress is saved locally in your browser
Results are stored only on your device
You can export your results at any time
Clearing your browser data will delete all saved tests

Usage & Citation

All IPIP materials are in the public domain. If you use IPIP items or scales in your research, please cite the original IPIP project and relevant publications.

For more information about the IPIP project, scoring instructions, and technical documentation, please visit the Archive section.

Disclaimer