Both of these models still have major applications in modern life. I've listed several examples of how they can be applied below.
B. F. Skinner worked on operant conditioning, where the probability of a behaviour occurring depends on its consequences in the past. Behaviours with positive consequences are likely to increase, while behaviours with negative consequences are likely to decrease.
A classic and very simple example of operant conditioning in education occurs in every Kindergarten classroom. When children do good work, they get a sticker on their work. Their desirable behaviour (good schoolwork) is reinforced with a positive consequence (sticker). That positive consequence should increase the chance that the child will do more good work. The lack of stickers on sub-par work can also increase the chance that they will do ...
Skinner and Pavlov are considered in a modern context.