In Edward Thorndike's classic experiments, cats were placed inside a confined space known as a puzzle box.
The primary goal for the cats was to figure out how to escape the puzzle box.
Thorndike observed that the cats' attempts to escape became more efficient over time. This learning was driven by the consequences of their actions.
The specific rewards that motivated the cats were:
Therefore, the cats were rewarded by both escaping the box and getting food, reinforcing the behaviors that led to freedom and sustenance.