In the video above, the instructor is conducting a multiple stimulus with replacement (MSW) preference assessment with toys. MSWs allow you to determine a child’s preference hierarchy from a select group of items. Sometimes (but not always), a child’s highest-preferred items can be used to reinforce his or her appropriate behaviors. MSWs are most appropriate for children who will consistently scan a large array of items and make a consistent choice based on relative preference. Although MSWs are more time-consuming the MSWOs, they are an appropriate alternative for children who engage in challenging behavior when favorite toys are taken away. Typically, preference assessments with toys an...