Hierarchy of Fears. The next step in the systematic desensitization process involves constructing what is called a hierarchy of fears, which is a list of the things that the person identifies as fearful related to flying in order from the least to the most anxiety-provoking.ierarchy of Fears. The next step in the systematic desensitization process involves constructing what is called a hierarchy of fears, which is a list of the things that the person identifies as fearful related to flying in order from the least to the most anxiety-provoking.
Appa is a fictional character on the Nickelodeon animated television series Avatar: The Last Airbender and in the film The Last Airbender. In the series, Appa is the only known living sky bison, a species of animals that can fly naturally, and is the animal guide of the protagonist, Aang. Dee Bradley Baker voices Appa, along with all the other animals, in both the TV series and the film.
Call for Nominations: 2016 APPA President-Elect. As a nonprofit association, APPAâs success depends on the energy and enthusiasm of its volunteer leaders! The nomination period is open for the 2016 APPA Board of Directors election. Next year only the position of President-Elect will be up for election. Please consider running yourself or encourage a colleague who would be a strong candidate to run for office.