Statistics of the top scorers

© March 2020 Paul Cooijmans

Introduction

This report contains some information on the very highest test scores having occurred from 1995 to present. The cutoff for inclusion is I.Q. 170, which corresponds to protonorm 620 according to the current norms. The I.Q. range 170-179 is tentatively called "pervasive intelligence" (a few scores are actually in the 180+ range, called "exceptional intelligence", but it is not a priori so that higher scores have extra significance in this report). Considered are only scores on tests containing at least two different item types, when items are classified by their appearance as either verbal, numerical, spatial, or logical. Such heterogeneous tests have proven to be more robust, valid, and reliable than are homogeneous tests (with only one item type). Tests of which the norms are still of doubtful quality, and/or that may have too low ceilings, have not been considered.

The scores

There are 25 scores in this range, following above criteria. Their exact distribution, the norming of tests in this range, and the question whether higher scores within this range also mean greater ability, are not topics of this report. Those matters are dealt with, when possible, in the statistical reports for the tests in question, and in the report on the norming of protonorms to norms. When norms change, the number of scores that fall at or above I.Q. 170 may naturally change. Considering the rareness of these scores, it should best be assumed that the current norms within this range are not good enough to distinguish well between the corresponding performances, and that this may improve with future renormings.

Number of scores per candidate

The 25 scores have been obtained by 15 candidates:

Sex

All of the scores have been obtained by males.

Scores per country

Country# scores
United States********
Belgium****
Latvia***
Spain***
Finland**
Germany**
United Kingdom**
The Netherlands*

Scores by age when test was taken

Age class# scores
55-59**
50-54**
45-49**
40-44***
35-39******
30-34**
25-29*****
20-24***

Scores by birth year

Birth year# scores
1960-64******
1965-69*****
1970-74****
1975-79******
1980-84*
1985-89***

Scores per test

Test# scores
Cooijmans Intelligence Test - Form 1****
Test For Genius - Revision 2004***
The Nemesis Test**
Long Test For Genius**
Cooijmans Intelligence Test - Form 4**
Short Test For Genius*
Cooijmans Intelligence Test - Form 2*
Cooijmans Intelligence Test - Form 3*
Reason Behind Multiple-Choice - Revision 2008*
Grail Test*
Test of the Beheaded Man*
Isis Test*
Cooijmans On-Line Test - Two-barrelled version*
The Marathon Test*
Numerical and Spatial sections of The Marathon Test*
Cooijmans Intelligence Test 5*
The Piper's Test*

Scores per year occurred

Year# scores
2020***
2019**
2018 
2017**
2016*
2015 
2014 
2013 
2012 
2011 
2010***
2009**
2008*
2007**
2006 
2005 
2004**
2003*
2002**
2001*
2000 
1999**
1998*
1997 
1996 
1995 

Scores by educational level (insofar as known)

Level# scores
Secondary school completed*******
Bachelor****
Master*****
Doctor*******

Disorders and disordered behaviour

A total of 8 out of the 25 scores are from 4 candidates who report having a psychiatric disorder; one of those has committed suicide. 7 of those 8 scores are from 3 candidates who have been observed displaying disordered behaviour.

The majority of scores therefore are from a majority of candidates with no reported disorders, and with no observed disordered behaviour.

Other observed behaviour

Remarkable in a large majority of these candidates is the absence of negativity and rudeness, and the, on the whole, positive, polite, constructive attitude.