Examiner-led assessment 1923
Kohs Block Design Tests
Seventeen original designs
The assessment
Reproduce 17 colored designs with blocks while an examiner records completion, time, and moves. The guided record displays each original design and calculates its score from the published deductions.
- Spatial analysis
- Construction
- Problem solving
From the archive
Origins
Samuel C. Kohs developed block-design tests as a performance-based way to examine reasoning. His 1923 monograph, Intelligence Measurement, published the designs, administration method, and scoring tables for this examination.