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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 344477 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% /102118
women
 22.3% /91372

Origin of answers

Answers distribution by gender:

gender
men
52%
102118
women
48%
91372

Answers distribution by language:

language
German language
1%
4463
Polish language
90%
310942
English language
7%
26378
Russian language
0%
2694

Answers distribution by country:

country
flagPoland
91%
91%
316297
flagthe United States
2%
2%
10141
flagGermany
1%
1%
4779
flagIndia
1%
1%
4212
flagthe United Kingdom
1%
1%
3513
flagRussia
0%
0%
1337
flagAustralia
0%
0%
985
flagCanada
0%
0%
849
flagAustria
0%
0%
783
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