Participant 1

Initial description: I drew a pattern, like a cross, that had as the center the black squares already present in the Input picture. The only squares that were not covered were the orange ones.

Final description: I copied the pattern, and I used the black squares of the input in the center. I also painted the cross black but I did not paint the orange ones.


Attempt 1: Incorrect
Attempt 2: Correct

Participant 2

Initial description: Extend the black box to a plus sign except for red squares

Final description: Extend the black box to a plus sign except for red squares


Attempt 1: Correct

Participant 3

Initial description: Identify the four black squares in a 2x2 square formation, and blacken every square left, right, above, and below them, except for those that are red.

Final description: Identify the four black squares in a 2x2 square formation, and blacken every square left, right, above, and below them, except for those that are red.


Attempt 1: Correct

Participant 4

Initial description: Extend the black area out from the black square in all four directions in straight lines but do not color red tiles black.

Final description: Extend the black tiles out in all four directions from the square but do not color the red tiles.


Attempt 1: Incorrect
Attempt 2: Correct

Participant 5

Initial description: two black lines two cell wide that cross over the black cells in the test input, but keep the red cells

Final description: I thought it was having 2 black lines 2 cells wide intersecting where the 4 cell block is, and keeping the red cells.


Attempt 1: Incorrect
Attempt 2: Incorrect
Attempt 3: Incorrect

Participant 6

Initial description: Extend the black square to the edge of the grid but do not erase any red tiles.

Final description: Extend the black square to the edge of the grid but do not erase any red tiles.


Attempt 1: Correct

Participant 7

Initial description: Starting with the four-square block of black, a line two blocks wide goes in four directions, with the exception of red blocks which remain.

Final description: Starting with the four-square block of black, a line two blocks wide goes in four directions, with the exception of red blocks which remain.


Attempt 1: Correct

Participant 8

Initial description: Create a black column up and one across at square 6 and 7 leave all orange squares do not change to black.

Final description: I thought there should be a column of black squares with dark orante squares left unchanged creating a cross


Attempt 1: Incorrect
Attempt 2: Incorrect
Attempt 3: Incorrect

Participant 9

Initial description: Extend the black squares horizontally and vertically to make a cross pattern without removing red squares.

Final description: Extend the black squares horizontally and vertically to make a cross pattern without removing red squares.


Attempt 1: Correct