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G.R.I.D. Information

The Geometric Reasoning Intelligence Dimensions contains 20 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 Geometric Reasoning Intelligence Dimensions assesses intelligence with scores ranging up to an IQ of 156.

The Geometric Reasoning Intelligence Dimensions was developed by Randy Myers.

Normative Data

Pearson's R: + 0.877

Raw	Estimated IQ, sd.15
1	99
2	102
3	105
4	108
5	111
6	114
7	117
8	120
9	123
10	126
11	129
12	132
13	135
14	138
15	141
16	144
17	147
18	150
19	153
20	156

Raw	Estimated IQ, sd.15
1	99
2	102
3	105
4	108
5	111
6	114
7	117
8	120
9	123
10	126
11	129
12	132
13	135
14	138
15	141
16	144
17	147
18	150
19	153
20	156

Raw	Estimated IQ, sd.15
1	99
2	102
3	105
4	108
5	111
6	114
7	117
8	120
9	123
10	126
11	129
12	132
13	135
14	138
15	141
16	144
17	147
18	150
19	153
20	156

G.R.I.D. Information

Normative Data

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Raw	Estimated IQ, sd.15
1	99
2	102
3	105
4	108
5	111
6	114
7	117
8	120
9	123
10	126
11	129
12	132
13	135
14	138
15	141
16	144
17	147
18	150
19	153
20	156