background

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 346751 answers to questions in category illusions, given by players from 146 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% /102248
women
 22.4% /91473

Origin of answers

Answers distribution by gender:

gender
men
52%
102248
women
48%
91473

Answers distribution by language:

language
German language
1%
4577
Polish language
90%
312759
English language
7%
26677
Russian language
0%
2738

Answers distribution by country:

country
flagPoland
91%
91%
317794
flagthe United States
2%
2%
10354
flagGermany
1%
1%
4997
flagIndia
1%
1%
4217
flagthe United Kingdom
1%
1%
3616
flagRussia
0%
0%
1380
flagAustralia
0%
0%
992
flagCanada
0%
0%
852
flagAustria
0%
0%
803
flagUkraine
0%
0%
560

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