Contents type: Numerical, spatial. Period: 2010-present
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(Test index) Test name | n | r |
---|---|---|
(118) Divine Psychometry | 5 | 0.98 |
(105) Space, Time, and Hyperspace - Revision 2016 | 20 | 0.94 |
(112) Combined Numerical and Spatial sections of Test For Genius - Revision 2016 | 19 | 0.94 |
(66) Test For Genius - Revision 2004 | 6 | 0.93 |
(43) Test For Genius - Revision 2010 | 8 | 0.93 |
(46) Labyrinthine LIMIT | 4 | 0.93 |
(1) Cartoons of Shock | 7 | 0.92 |
(48) Narcissus' last stand | 27 | 0.92 |
(39) Combined Numerical and Spatial sections of Test For Genius - Revision 2010 | 11 | 0.92 |
(42) The Marathon Test | 11 | 0.91 |
(27) Spatial section of Test For Genius - Revision 2004 | 13 | 0.91 |
(111) Test For Genius - Revision 2016 | 15 | 0.89 |
(47) Psychometrically Activated Grids Acerbate Neuroticism | 7 | 0.88 |
(30) Verbal section of The Marathon Test | 11 | 0.88 |
(0) Test of the Beheaded Man | 18 | 0.88 |
(45) Numerical and spatial sections of The Marathon Test | 15 | 0.87 |
(31) Numerical section of The Marathon Test | 16 | 0.86 |
(35) Intelligence Quantifier by assessment | 15 | 0.84 |
(15) Letters | 4 | 0.84 |
(107) The Alchemist Test | 11 | 0.82 |
(21) Psychometric Qrosswords | 7 | 0.82 |
(33) Problems In Gentle Slopes of the first degree | 10 | 0.82 |
(41) The LAW - Letters And Words | 4 | 0.82 |
(68) Numbers | 4 | 0.81 |
(32) Spatial section of The Marathon Test | 15 | 0.80 |
(26) Verbal section of Test For Genius - Revision 2004 | 12 | 0.80 |
(109) The Bonsai Test - Revision 2016 | 17 | 0.80 |
(29) Words | 4 | 0.80 |
(44) Associative LIMIT | 14 | 0.79 |
(37) Problems In Gentle Slopes of the third degree | 15 | 0.79 |
(16) Lieshout International Mesospheric Intelligence Test | 17 | 0.78 |
(103) Problems In Gentle Slopes of the second degree | 15 | 0.77 |
(113) The Piper's Test | 10 | 0.75 |
(40) Reason Behind Multiple-Choice - Revision 2008 | 22 | 0.75 |
(114) Dicing with death | 9 | 0.75 |
(106) Cooijmans Intelligence Test - Form 4 | 14 | 0.75 |
(24) Reason - Revision 2008 | 22 | 0.74 |
(2) Cooijmans Intelligence Test - Form 3 | 22 | 0.72 |
(4) A Paranoiac's Torture: Intelligence Test Utilizing Diabolic Exactitude | 16 | 0.72 |
(28) The Test To End All Tests | 27 | 0.71 |
(117) The Hammer Of Test-Hungry - Revision 2013 | 8 | 0.68 |
(12) Cooijmans On-Line Test - Two-barrelled version | 12 | 0.67 |
(23) Gliaweb Riddled Intelligence Test - Revision 2011 | 16 | 0.67 |
(108) Verbal section of Test For Genius - Revision 2016 | 15 | 0.65 |
(7) The Final Test | 7 | 0.65 |
(10) Genius Association Test | 17 | 0.64 |
(18) The Nemesis Test | 13 | 0.63 |
(19) Numerical section of Test For Genius - Revision 2010 | 24 | 0.60 |
(25) The Sargasso Test | 17 | 0.59 |
(11) Isis Test | 20 | 0.55 |
(3) Qoymans Multiple-Choice #5 | 22 | 0.50 |
(80) Qoymans Multiple-Choice #4 | 5 | 0.49 |
(104) The Final Test - Revision 2013 | 9 | 0.48 |
(5) Daedalus Test | 10 | 0.46 |
(110) Cooijmans Intelligence Test 5 | 16 | 0.43 |
(115) De Laatste Test - Herziening 2019 | 4 | 0.32 |
Weighted average of correlations: 0.752 (N = 734, weighted sum = 552.17)
Conservatively estimated minimum g loading: 0.87
Ranking in above table is based on the unrounded correlations. All available data is present in this table, no tests are left out except for those with less than 4 score pairs. All known pairs are used, including possible floor/ceiling scores or outliers.
(Test index) Test name | n | r |
---|---|---|
(239) Titan Test | 5 | 0.90 |
(242) Unknown and miscellaneous tests | 14 | 0.41 |
(234) Strict Logic Sequences Exam I | 4 | 0.33 |
(201) Wechsler Adult Intelligence Scales | 4 | 0.17 |
Weighted average of correlations: 0.451 (N = 27, weighted sum = 12.19)
Ranking in above table is based on the unrounded correlations. All available data is present in this table, no tests are left out except for those with less than 4 score pairs. All known pairs are used, including possible floor/ceiling scores or outliers.
Please be aware that correlations with these external tests are in most cases affected (depressed, typically) by one or more of the following: (1) Little overlap with the object test because of the much lower ceilings and inherent ceiling effects of the tests used in regular psychology; (2) Candidates reporting scores selectively, for instance only the higher ones while withholding lower ones; (3) Candidates reporting, or having been reported by psychometricians, incorrect scores.
These are estimated g factor loadings, but against homogeneous tests (containing only particular item types) as opposed to non-compound heterogeneous tests. Although tending to surprise the lay person, it is not uncommon for tests to have high loadings on item types they do not actually contain themselves. Such loadings reflect the empirical fact that most tests for mental abilities measure primarily g, regardless of their contents; that the major part of test score variance is caused by g, and only a minor part by factors germane to particular item types. It is of key importance to understand that this is a fact of nature, a natural phenomenon, and not something that was built into the tests by the test constructors.
Type | n | g loading of Reflections In Peroxide on that type |
---|---|---|
Verbal | 144 | 0.82 |
Numerical | 44 | 0.84 |
Spatial | 65 | 0.93 |
Logical | 32 | 0.81 |
Heterogeneous | 267 | 0.84 |
N = 552
Compound tests have been left out of this table to avoid overlap.
Balanced g loading = 0.85
Country | n | median score |
---|---|---|
Spain | 2 | 8.5 |
Greece | 2 | 6.5 |
Canada | 2 | 6.0 |
Germany | 3 | 6.0 |
United_States | 11 | 6.0 |
Japan | 2 | 4.5 |
Korea_South | 2 | 3.0 |
For reasons of privacy, only countries with 2 or more candidates are included in this table. Ranking is based on the medians, and then alphabetic.
Correlation of this test with national average I.Q.'s published by Lynn and Vanhanen:
Personalia | n | r |
---|---|---|
P.S.I.A. Orderly - Revision 2007 | 13 | 0.46 |
P.S.I.A. True - Revision 2007 | 13 | 0.31 |
Educational level | 33 | 0.30 |
Sex | 35 | 0.27 |
P.S.I.A. Ethics factor - Revision 2007 | 13 | 0.22 |
Observed behaviour | 12 | 0.12 |
P.S.I.A. Rational - Revision 2007 | 13 | 0.09 |
P.S.I.A. Cruel - Revision 2007 | 13 | -0.00 |
Father's educational level | 31 | -0.01 |
P.S.I.A. System factor - Revision 2007 | 13 | -0.02 |
P.S.I.A. Cold - Revision 2007 | 13 | -0.08 |
P.S.I.A. Neurotic - Revision 2007 | 13 | -0.08 |
Gifted Adult's Inventory of Aspergerisms | 10 | -0.09 |
Disorders (own) | 32 | -0.12 |
Mother's educational level | 31 | -0.13 |
P.S.I.A. Introverted - Revision 2007 | 13 | -0.15 |
Year of birth | 35 | -0.17 |
Cooijmans Inventory of Neo-Marxist Attitudes | 6 | -0.20 |
P.S.I.A. Just - Revision 2007 | 13 | -0.27 |
P.S.I.A. Extreme - Revision 2007 | 13 | -0.28 |
P.S.I.A. Antisocial - Revision 2007 | 13 | -0.29 |
P.S.I.A. Deviance factor - Revision 2007 | 13 | -0.31 |
P.S.I.A. Aspergoid - Revision 2007 | 13 | -0.32 |
Disorders (parents and siblings) | 32 | -0.33 |
P.S.I.A. Rare - Revision 2007 | 13 | -0.45 |
In parentheses the number of score pairs on which that estimated g factor loading is based. The goal of this is to verify the hypothesis that g becomes less important, accounts for a smaller proportion of the variance, at higher I.Q. levels. The mere fact of restricting the range like this also depresses the g loading compared to computing it over the test's full range, so it would be normal for both values to be lower than the test's full-range g loading.
Raw score | Upward g (N) | Downward g (N) |
---|---|---|
0 | 0.87 (734) | NaN (0) |
3 | 0.74 (547) | 0.33 (101) |
4.5 | 0.68 (469) | 0.71 (202) |
6 | 0.69 (457) | 0.83 (457) |
7.5 | 0.56 (77) | 0.82 (551) |
18 | NaN (0) | 0.87 (734) |
The brevity of this test (18 items) depresses its reliability, together with the fact that most of the raw scores are concentrated in a fairly narrow range, which makes the test behave like an even shorter test.
Age class | n | median score |
---|---|---|
65 to 69 | 2 | 6.5 |
60 to 64 | 1 | 7.0 |
50 to 54 | 1 | 1.0 |
45 to 49 | 1 | 8.0 |
40 to 44 | 5 | 7.0 |
35 to 39 | 4 | 5.5 |
30 to 34 | 3 | 6.0 |
25 to 29 | 8 | 6.0 |
22 to 24 | 6 | 4.5 |
20 or 21 | 3 | 6.0 |
17 | 1 | 6.0 |
N = 35
Year taken | n | median score |
---|---|---|
2010 | 2 | 7.0 |
2011 | 2 | 6.5 |
2012 | 2 | 8.0 |
2013 | 3 | 1.0 |
2014 | 2 | 4.0 |
2015 | 1 | 6.0 |
2016 | 2 | 6.0 |
2017 | 4 | 5.5 |
2019 | 2 | 7.0 |
2020 | 7 | 6.0 |
2021 | 9 | 6.0 |
ryear taken × median score = 0.04 (N = 36)
Item statistics are not published as that would help future candidates. To detect bad items, answers and comments from candidates are studied, as well as, for each problem, the correlation with total score and the proportion of candidates getting it wrong (hardness of the item). Possible bad items are removed or revised, resulting in a revised version of the test.