C.S.T. 21 Information
The Complex Spatial Test 21 contains 21 items and measures spatial intelligence. The maximum time that is allowed to complete the test is 15 minutes. There is only one correct answer per question and 6 answer choices per question.
The Complex Spatial Test 21 assesses intelligence with scores ranging up to an IQ of 150. The norming data is provided in the table below.
The Complex Spatial Test 21 was developed by Randy Myers.
Normative Data
Pearson's R: + 0.862
| Raw | Estimated IQ, sd.15 |
|---|---|
| 1 | 110.17 |
| 2 | 112.17 |
| 3 | 114.17 |
| 4 | 116.17 |
| 5 | 118.17 |
| 6 | 120.17 |
| 7 | 122.17 |
| 8 | 124.17 |
| 9 | 126.17 |
| 10 | 128.17 |
| 11 | 130.17 |
| 12 | 132.17 |
| 13 | 134.17 |
| 14 | 136.17 |
| 15 | 138.17 |
| 16 | 140.17 |
| 17 | 142.17 |
| 18 | 144.17 |
| 19 | 146.17 |
| 20 | 148.17 |
| 21 | 150.17 |