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
8%
8%
80%
4%
25
flagthe United States
5%
6%
77%
8%
705
flagIndonesia
17%
0%
76%
5%
17
flagDenmark
0%
20%
75%
5%
20
flagthe United Kingdom
9%
9%
72%
6%
321
flagCanada
13%
7%
71%
7%
38
flagIndia
8%
7%
69%
12%
156
flagPoland
9%
14%
68%
6%
10292
flagGermany
6%
14%
68%
9%
119
flagNorway
9%
15%
68%
6%
32
flagSpain
12%
16%
66%
4%
24
flagRussia
4%
22%
63%
9%
22
flagAustralia
21%
5%
60%
10%
38
flagthe Netherlands
3%
24%
60%
9%
33
flagMalaysia
20%
0%
60%
20%
15
flagthe Philippines
22%
9%
59%
9%
22
flagFrance
12%
21%
57%
3%
33
flagRepublic of Ireland
15%
10%
55%
15%
38
flagCzech Republic
20%
26%
46%
6%
15
flagBelgium
13%
33%
40%
6%
15

Gender

men69%
women71%
A
10%
8%
B
12%
13%
Both are the same
69%
71%
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.