T.R.A.X. Information

The Timed Reasoning & Abstraction eXam contains 20 items and measures spatial (1-10) and numerical (11-20) intelligence. The maximum time that is allowed to complete the test is 15 minutes. There is only one correct answer per question.

The Timed Reasoning & Abstraction eXam assesses intelligence with scores ranging up to an IQ of 148. The norming data is provided in the table below.

Test Developer: Randy Myers


Normative Data

Pearson's R: + 1

Raw Estimated IQ, sd.15
1110
2112
3114
4116
5118
6120
7122
8124
9126
10128
11130
12132
13134
14136
15138
16140
17142
18144
19146
20148