Visual Search Test
Find the odd one out in a grid of similar shapes. Tests visual attention and search speed.
How to Play
1. A grid of similar shapes will appear (letter O)
2. Find and click the ONE different shape (letter Q)
3. Grid gets larger each round (3x3 → 4x4 → 5x5 → 6x6 → 8x8)
4. We measure your average search time across all rounds
About Visual Search
Selective Attention
Visual search tests measure selective attention -- your ability to find a target among distractors. Used in cognitive psychology and airport security training.
Pop-Out vs Serial
Easy searches (very different target) show pop-out effect where search time doesn't increase with grid size. Hard searches require serial scanning.