Matrix Puzzle Study

Pick the answer that best completes the 3×3 matrix. Then optionally explain your reasoning. (Your IP can only be logged server-side; the page itself doesn’t reveal it.)

If you prefer, you can label answers A–D, or use images. This template uses images.

Choose an answer

Selected: None

About you (optional)

Age (1–2 digits) We’ll validate: 1–99. Estimated IQ range Highest education (optional) Familiar with matrix puzzles? (optional)

Comments / explain your solution (optional)

Participant ID:

Privacy note: This collects your selection + optional demographics + comments. IP logging requires a backend endpoint. If you deploy the suggested backend, it can log IP automatically.