C.R.O.N. Information

The Cognitive Reasoning & Orientation Numeracy contains 20 items and measures spatial and numerical intelligence. The maximum time that is allowed to complete the test is 15 minutes. There is only one correct answer per question.

The Cognitive Reasoning & Orientation Numeracy assesses intelligence with scores ranging up to an IQ of 143. The norming data is provided in the table below.

Test Developer: Randy Myers

Normative Data

Pearson's R: + 0.805

Raw Estimated IQ, sd.15
186
289
392
495
598
6101
7104
8107
9110
10113
11116
12119
13122
14125
15128
16131
17134
18137
19140
20143