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Global Illusions Knowledge Test

Since 2013, we have been measuring the global knowledge about illusions through the online quiz game.
The results are based on 344791 answers to questions in category illusions, given by players from 145 countries.
This test has questions in the following languages: German language, Polish language, English language and Russian language.

Results by country

Results by gender

men
 38.5% /102140
women
 22.3% /91377

Origin of answers

Answers distribution by gender:

gender
men
52%
102140
women
48%
91377

Answers distribution by language:

language
German language
1%
4480
Polish language
90%
311195
English language
7%
26405
Russian language
0%
2711

Answers distribution by country:

country
flagPoland
91%
91%
316523
flagthe United States
2%
2%
10147
flagGermany
1%
1%
4813
flagIndia
1%
1%
4213
flagthe United Kingdom
1%
1%
3514
flagRussia
0%
0%
1345
flagAustralia
0%
0%
985
flagCanada
0%
0%
851
flagAustria
0%
0%
788
flagUkraine
0%
0%
559

Quiz size

Number of active questions per language:

language
German language
22%
11
Polish language
37%
18
English language
29%
14
Russian language
10%
5

The results are released under the CC-attribution license.

You may freely use it and re-distribute, but you must provide the link back to this page