How to use SOUL / ALLOY and how the diagnosis works
SOUL / ALLOY is a personality diagnosis site that expresses your personality through 118 elements plus alloy and compound cards by answering psychology-based questions.
We offer three primary public diagnosis entries depending on your goal. We recommend starting with the free Original 4-Axis diagnosis.
12 questions ~2 min (Free) / 32 questions ~8 min (Detailed)
Matches you to the single material persona closest to you using SOUL / ALLOY's original personality 4 axes.
The 12-question quick version is free. The 32-question detailed version computes more precise coordinates.
20 questions (Mini-IPIP) / 50 questions (IPIP-50)
Quantifies your traits with the Five-Factor Model (OCEAN), regarded as the most academically reliable.
The "How compatibility works" section below is also calculated from this Big Five score.
60 questions ~10-15 min
Visualizes your interests and best-fit career type with the Holland Code R / I / A / S / E / C.
A clue for finding each persona's representative jobs and compatible ways of working.
On the persona detail page, you can switch between 3 levels of information depth based on your understanding. Use the "L1 / L2 / L3" toggle in the header.
For everyone. Enjoy your diagnosis result: "This is your personality!"
For science-oriented students. Understand "Why did I get this score?"
For graduate students & experts. Explore "Why does the material have these properties?" with Materials Project data