To use positive reinforcement with this model, you change the consequence of a behavior by giving something to someone, which can have the effect of increasing the frequency of the behavior. Example Applying positive reinforcement as behavior modification can take many different forms. The first being positive reinforcement, this type can be an effective tool to shape and change behavior in children. It works by presenting a motivating item (such as having the phone after completing homework) so then the person is motivated to finish the task assigned to them. The Stages of Change model is useful for identifying appropriate interventions to foster positive behavior change (Table 6); by identifying where a person is in the change process, interventions can be tailored to the person's "readiness" to .