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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 318201 answers to questions in category illusions, given by players from 136 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
 38.2% /101056
women
 21.8% /90381

Origin of answers

Answers distribution by gender:

gender
men
52%
101056
women
48%
90381

Answers distribution by language:

language
German language
0%
2177
Polish language
91%
291519
English language
7%
22981
Russian language
0%
1524

Answers distribution by country:

country
flagPoland
93%
93%
297995
flagthe United States
2%
2%
9056
flagIndia
1%
1%
3600
flagthe United Kingdom
0%
0%
2950
flagGermany
0%
0%
2619
flagAustralia
0%
0%
896
flagRussia
0%
0%
723
flagCanada
0%
0%
678
flagthe Philippines
0%
0%
452
flagUkraine
0%
0%
415

Quiz size

Number of active questions per language:

language
German language
21%
10
Polish language
38%
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