A dog learns to make a decision

Visit Albert at In this experiment our Resident Scientist Labrador Albert learns how dogs make decisions. Albert was given 2 vending machines and 5 balls. As seen in our previous experiments , Dr. Albert knows that the first vending machine (on the right of the screen) exchanges 1 ball for a one small treat and the second vending machine (on the left of the screen) exchanges 3 balls for a large treat (that is equal to about 4 small treats). He needs to decide how to spend his