Autism test:

5 BECAUSE IT'S A FUCKING CIRCLE ALL THE OTHERS ARE SQUARES WTF IS WRONG WITH YOU FAGS

This is how you control high IQ people - you give them treats for 'correctly' solving your puzzle whlie planting and idea in their head.

What was it called? Anchoring?

noice one mate

All of them are unique, thus rendering the question null.

2

3, you dumb fucks.

2, only one with just one difference compared with the others
1,3,4 and 5 are all different to each other in two ways, while 2 only differs with each of them in one trait

4, it is nigger free.

4 is the only correct answer. With all others having a unifying trait (black border), 4 is the odd one out.

This