There's no way to tell how long this process will take, but it's typically 3-5 years based on current backlog. If your appeal is denied by BVA, it can again be appealed to the Court of Veterans Appeals (COVA). This is typically the last station for your appeal.
Here are some of the highest paying jobs one can get with a psychology degree. Child psychiatrist - $189,301 average. A child psychiatrist can make close to a half million dollars in just one year.
Other positions that are directly related to a psychology degree can pay better. For example, the median salary for a social worker in 2010, according to the Bureau of Labor Statistics, was $42,480. Those working in human resources in 2010 earned median salaries of $52,690.