Which area is brighter?

A
B
Both are the same
It depends on the order of seeing
This is the well known checker shadow il­lu­sion, first pub­lished in 1995 by Edward H. Adelson, Pro­fes­sor of Vision Science at MIT. The area A appears darker because of its light sur­round­ing. At the same time, area B, sur­round­ed with dark areas, appear lighter.

Answers distribution

A
B
Both are the same
It depends on the order of seeing
answers
flagItaly
7%
7%
80%
3%
26
flagthe United States
5%
6%
77%
9%
760
flagDenmark
0%
18%
77%
4%
22
flagCanada
10%
6%
75%
8%
48
flagGermany
6%
11%
72%
8%
151
flagUnknown
7%
12%
71%
7%
527
flagthe United Kingdom
10%
10%
70%
7%
380
flagSpain
11%
14%
70%
3%
27
flagSweden
15%
0%
70%
15%
20
flagPoland
8%
14%
69%
6%
13175
flagNorway
8%
17%
67%
5%
34
flagIndia
8%
7%
66%
14%
183
flagthe Netherlands
4%
18%
65%
9%
43
flagRussia
3%
23%
63%
10%
30
flagAustralia
21%
5%
60%
10%
38
flagthe Philippines
21%
8%
60%
8%
23
flagFrance
14%
19%
59%
2%
42
flagRepublic of Ireland
16%
9%
55%
16%
43
flagCzech Republic
16%
22%
55%
5%
18
flagUkraine
10%
26%
52%
10%
19

Gender

men71%
women72%
A
9%
8%
B
11%
13%
Both are the same
71%
73%
It depends on the order of seeing
7%
5%

Language versions

Details

Author: globalquiz.org
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.