Visuospatial Reasoning · Mental Rotation · Part–Whole Analysis
Piece It Together
A visual puzzles task in the style of construction-free block assembly measures. You'll see a completed shape. Your job: pick the three pieces — and only three — that would combine to rebuild it exactly.
1
Study the completed target shape, including its seam lines.
2
Pieces may be mentally rotated, but never flipped over (mirror images don't count).
3
Size matters. All pieces are drawn to the same scale as each other — a piece that's too big or too small won't fit.
4
Select exactly 3 pieces, then press Submit before the clock runs out. Items get harder as you go.
Choose a mode
This is an original analogue for educational and demonstration use, inspired by the visual puzzles / matrix-assembly paradigm used in modern Wechsler-style batteries. It is not the WAIS-IV Visual Puzzles subtest, contains no Pearson items, and yields no normed or clinical scores. Constructs exercised: nonverbal reasoning, mental rotation, simultaneous processing, and part–whole synthesis.
Item 1 of 12
30.0
Target shape
Which 3 pieces build it?
Selected:
Results
Session complete
0 / 12
| Item | Result | Time (s) | Picked |
|---|
What this exercises: holding a whole in mind while testing candidate parts against it (simultaneous processing), rotating pieces mentally without motor feedback, and inhibiting near-miss distractors (mirrors, rescaled pieces). Fast + accurate suggests fluent visuospatial synthesis; accurate but slow often reflects a deliberate verify-each-seam strategy — worth discussing metacognitively. Errors on mirror distractors specifically implicate rotation vs. reflection discrimination.
