Statistics of COLT — <Cooijmans OnLine Test>

© Mar 2008 Paul Cooijmans

This test has now been extended with a second barrel to provide finer resolution; these statistics are of the period before that extension. It should not be assumed that this test is identical to the current first barrel.

Norms

Scores

2 **
4 *****
5 *
6 ***********
7 *************

Correlation with other tests

Test#cor
Cooijmans Intelligence Test - Form 221.00
Associative LIMIT Test21.00
FNA21.00
International High IQ Society Ultimate IQ Test31.00
SAT (old)21.00
Lieshout International Mesospheric Intelligence Test40.98
Reason50.96
Odds30.94
The Final Test50.94
Reason Behind Multiple-Choice50.94
Association subtest of Long Test For Genius40.90
OCIP30.89
Analogies of Long Test For Genius40.73
Verbal section of Test For Genius - Revision 200450.66
Spatial Insight Test40.45
Qoymans Multiple-Choice #480.37
Qoymans Multiple-Choice #160.25
Test For Genius - Revision 200450.21
Bonsai Test40.19
Analogies #140.17
Genius Association Test30.15
Unknown tests80.06
Spatial section of Test For Genius - Revision 20045-0.11
Space, Time and Hyperspace6-0.18
Cooijmans Intelligence Test - Form 14-0.46
International High IQ Society Miscellaneous tests5-0.67
Culture Fair Numerical Spatial Examination - Final version3-0.73
SAT (new)3-0.87
International High IQ Society Verbal Test3-0.97
Cattell Culture Fair3-1.00
The Test To End All Tests2-1.00
Short Test For Genius2-1.00
Nicolas Elena Tests2-1.00
Queendom Culture Fair2-1.00
Raven's Advanced Progressive Matrices (IQ)3-1.00

Weighted average of correlations: 0.191

Conservatively estimated minimum g loading: 0.44

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 2 score pairs. All known pairs are used to obtain the true, honest statistics; correlations are not artificially inflated by leaving out ceiling scores, outliers or other anomalies.

Additional statistics October 2014

© October 2014 Paul Cooijmans

Scores on Cooijmans On-Line Test

Contents type: Logical.   Period: 2001-2009

2 **
4 *****
5 *
6 **********
7 ****************

Correlation of Cooijmans On-Line Test with other tests by Paul Cooijmans

(Test index) Test name n r
(16) Lieshout International Mesospheric Intelligence Test40.98
(82) Reason50.96
(69) Odds30.94
(62) Reason Behind Multiple-Choice50.94
(79) Association subtest of Long Test For Genius50.87
(35) Intelligence Quantifier by assessment60.67
(26) Verbal section of Test For Genius - Revision 200450.58
(55) Spatial Insight Test50.56
(7) The Final Test70.55
(75) Analogies of Long Test For Genius50.41
(51) Qoymans Multiple-Choice #170.40
(80) Qoymans Multiple-Choice #480.37
(84) Bonsai Test40.19
(77) Analogies #140.17
(10) Genius Association Test30.15
(85) Cooijmans Intelligence Test - Form 150.12
(66) Test For Genius - Revision 200450.09
(27) Spatial section of Test For Genius - Revision 20045-0.11
(57) Space, Time, and Hyperspace7-0.33
(63) Long Test For Genius4-0.47

Weighted average of correlations: 0.394

Conservatively estimated minimum g loading: 0.63

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 3 score pairs. All known pairs are used to obtain the true, honest statistics; correlations have not been artificially inflated by leaving out ceiling scores, outliers or other anomalies.

Correlation of Cooijmans On-Line Test with tests by others

(Test index) Test name n r
(230) Omega Contemplative Items Pool30.89
(243) Scholastic Aptitude Test (old)30.89
(242) Unknown tests8-0.12
(211) Culture Fair Numerical Spatial Examination - Final version4-0.35
(236) International High IQ Society Miscellaneous tests5-0.67
(220) Cattell Culture Fair4-0.98
(218) Raven's Advanced Progressive Matrices (I.Q.)3-1.00

Weighted average of correlations: -0.243

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 3 score pairs. All known pairs are used to obtain the true, honest statistics; correlations have not been artificially inflated by leaving out ceiling scores, outliers or other anomalies.

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.

Estimated loadings of Cooijmans On-Line Test on particular item types

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.

Typeg loading of Cooijmans On-Line Test on that type
Verbal0.68
Numerical0.97
Spatial0.43
Logical0.98
Heterogeneous0.39

Compound tests have been left out of this table to avoid overlap.

Balanced g loading = 0.69

National medians for Cooijmans On-Line Test

Country n median score
United_States57.0
Greece26.5
Sweden46.5
Italy25.5

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 Cooijmans On-Line Test with personal details

Personalia n r
P.S.I.A. Introverted60.93
P.S.I.A. Neurotic60.90
Gifted Adult's Inventory of Aspergerisms30.63
Observed associative horizon40.58
P.S.I.A. Ethics factor100.54
P.S.I.A. Rare60.48
P.S.I.A. Deviance factor100.47
P.S.I.A. True60.46
P.S.I.A. Aspergoid60.46
P.S.I.A. Cold60.44
P.S.I.A. Antisocial60.39
Father's educational level150.37
Disorders (own)160.32
Sex310.30
P.S.I.A. Just60.17
P.S.I.A. Rational60.12
Mother's educational level150.08
P.S.I.A. Cruel60.07
P.S.I.A. System factor6-0.03
Educational level15-0.16
P.S.I.A. Extreme6-0.19
Year of birth28-0.20
P.S.I.A. Orderly6-0.32
Disorders (parents and siblings)15-0.38
Observed behaviour6-0.50

Correlation with national I.Q.'s of Cooijmans On-Line Test

Correlation of this test with national average I.Q.'s published by Lynn and Vanhanen:

Estimated g factor loadings upward and downward of particular scores

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 scoreUpward g (n)Downward g (n)
00.63 (102)NaN (0)
40.63 (102)NaN (0)
50.62 (99)NaN (0)
60.62 (99)0.24 (8)
7NaN (0)0.63 (102)

Scores by age

Age class n median score
40 to 4426.0
35 to 3925.0
30 to 3466.5
25 to 2997.0
22 to 2445.0
20 or 2136.0
18 or 1914.0
1617.0
1524.5

Scores by year taken

Year taken n median score
2001134.0
200257.0
200326.5
200447.0
200526.5
200637.0
200716.0
200816.0
200917.0

ryear taken × median score = 0.38 (n = 32)

Robustness and overall test quality