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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 304855 answers to questions in category illusions, given by players from 131 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
 38.0% /100260
women
 21.6% /90001

Origin of answers

Answers distribution by gender:

gender
men
52%
100260
women
48%
90001

Answers distribution by language:

language
German language
0%
1273
Polish language
92%
281141
English language
6%
21292
Russian language
0%
1149

Answers distribution by country:

country
flagPoland
94%
94%
288180
flagthe United States
2%
2%
8634
flagIndia
1%
1%
3228
flagthe United Kingdom
0%
0%
2678
flagGermany
0%
0%
1754
flagAustralia
0%
0%
844
flagCanada
0%
0%
630
flagRussia
0%
0%
510
flagthe Philippines
0%
0%
423
flagGreece
0%
0%
350

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