What are some barriers, causes, or regression of these skills?

Discussion Post

According to Sitlington and colleagues in chapter one (2010), self-determination is an important skill that must be taught while students with disabilities are in school.

Knowing that skills have to be taught over time, what are TWO self-determination skills that could be developed from early intervention (birth-3) into the elementary grade or age level?

What are some barriers, causes, or regression of these skills?