better get this right you give them three triangles one of which is red from the other to a yellow and they learnt it has the red triangle hands down then once they've been trained like that with various different stimulus dimensions you then give them a yellow triangle a red triangle and a yellow square so now they've got a conflict are they going to pick out the old one based on color or are they going to pick out the old one based on shape right and you look to see what they do and the hope is that as as they get old after the older kids will