1You will see a 4×4 grid containing coloured shapes
2Your task is to place the missing shape so that each row and column contains each shape and colour exactly once
3This is like a mini Sudoku, but with shapes and colours
4Tap the correct position in the grid for the target shape
What this measures
The Latin Square Task measures the ability to maintain and integrate multiple rules in working memory simultaneously. It predicts fluid intelligence and executive function capacity.