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S.P.a.T.I.A.L. XVIII Information

The Spatial Processing and Timed Intelligence Assessment Logic XVIII contains 20 items and measures spatial intelligence. The maximum time that is allowed to complete the test is 14 minutes. There is only one correct answer per question and 6 answer choices per question.

The Spatial Processing and Timed Intelligence Assessment Logic XVIII assesses intelligence with scores ranging up to an IQ of 145. The norming data is provided in the table below.

The Spatial Processing and Timed Intelligence Assessment Logic XVIII was developed by Randy Myers.

Normative Data

Pearson's R: + .996

Raw	Estimated IQ, sd.15
1	107
2	109
3	111
4	113
5	115
6	117
7	119
8	121
9	123
10	125
11	127
12	129
13	131
14	133
15	135
16	137
17	139
18	141
19	143
20	145

Raw	Estimated IQ, sd.15
1	107
2	109
3	111
4	113
5	115
6	117
7	119
8	121
9	123
10	125
11	127
12	129
13	131
14	133
15	135
16	137
17	139
18	141
19	143
20	145

Raw	Estimated IQ, sd.15
1	107
2	109
3	111
4	113
5	115
6	117
7	119
8	121
9	123
10	125
11	127
12	129
13	131
14	133
15	135
16	137
17	139
18	141
19	143
20	145

S.P.a.T.I.A.L. XVIII Information

Normative Data

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Raw	Estimated IQ, sd.15
1	107
2	109
3	111
4	113
5	115
6	117
7	119
8	121
9	123
10	125
11	127
12	129
13	131
14	133
15	135
16	137
17	139
18	141
19	143
20	145