[MidB] Cameron can brush his teeth on his own, but he often…
[MidB] Cameron can brush his teeth on his own, but he often forgets to use mouthwash afterward. To increase the likelihood that he uses it, his dad places the mouthwash container on the counter next to Cameron as soon as he finishes brushing. Each day, his dad gradually moves the container closer to its usual spot in the cabinet. Over time, Cameron begins using mouthwash independently, even when it’s no longer placed near him. Which of the following is Cameron’s dad using to evoke mouthwash use?
Read Details