Each of my children responded well to different tactics, which was surprising, given they are so similar genetically! For my eldest, the motivation to be a "big boy" and wear cool underpants like Daddy did the trick. He adored the idea of matching Dad and seemed to think it was cooler than superheroes or cartoons. My second child, on the other hand, was motivated by sweets, believe it or not! She would work towards earning a special sweet treat that she loved but rarely got otherwise. It didn't induce bribe-like behavior, surprisingly; it just kept her focused and determined!